Live Classes, Video Lectures, Test Series, Lecturewise notes, topicwise DPP, dynamic Exercise and much more on Physicswallah App. Download the App from Google Playstore ( bit.ly/2SHIPW6 ) Physicswallah Instagram Handle : instagram.com/physicswallah/ Physicswallah Facebook Page: facebook.com/physicswallah Physicswallah Twitter Account : twitter.com/PhysicswallahAP?s=20 Physicswallah App on Google Play Store : bit.ly/2SHIPW6 Physicswallah Website: physicswallahalakhpandey.com/ LAKSHYA Batch(2020-21) Join the Batch on Physicswallah App bit.ly/2SHIPW6 Registration Open!!!!
What will you get in the Lakshya Batch? 1) Complete Class 12th + JEE Mains/ NEET syllabus - Targeting 95% in Board Exams and Selection in JEE MAINS / NEET with a Strong Score under Direct Guidance of Alakh Pandey. 2)Live Classes and recorded Video Lectures (New, different from those on RUclips) 3)PDF Notes of each class. 4)DPP: Daily Practice Problems with each class having 10 questions based on the class of JEE Mains/NEET level. 5)Syllabus Completion by end of January, 2021 with topicwise discussion of Last 10 Years Problems in Boards, JEE Mains/NEET within Lecture. 6)The Complete Course (Video Lectures, PDF Notes, any other Study Material) will be accessible to all the students untill JEE Mains & NEET 2021 (nearly May 2021) 7)In case you missed a live class, you can see its recording. 8)You can view the videos any number of times. 9)Each chapter will be discussed in detail with all concepts and numericals 10)Chapterwise Approach towards JEE Mains/ NEET & Board Exams. ****Test Series for XI & XII**** We provide you the best test series for Class XI,XII, JEE, NEET chapterwise, which will be scheduled for whole year. The test series follows very logical sequence of Basic to Advance questions.& Evaluation of Test and Solution to all the questions at the end of the test. Class 10 CHEMICAL BONDING | Ionic /Electrovalent Bonding | Covalent Bonding | Polar and Non Polar ruclips.net/video/ZcmzabBVLh8/видео.html CoOrDiNaTe BoNdInG : ICSE 10th CHEMISTRy : CHEMICAL BONDING ruclips.net/video/PfVHYS3oC_4/видео.html
Its been 5 years since the video got uploaded, and students are admiring him…. This is not just a lecture, its something that what heart wants a teacher to teach alike ! Truly, this not just a masterpiece, its the one and the only! He is god gifted and exam saver! Lots of love and positivity to you sir! ❤🎉
@@mobpsycho5044 No but sometimes we all wonder how much time students have that they are here just to embarrass someone by finding their mistake and being rude. I'm sure you are not perfect either. So don't expect a perfect English please. Also however bad it is, I still understood it. Rather so many people liked the message too.
0:00 - Names of bonds. 0:41- ionic/electrovalent bond 1:47- Formation of ionic/electrovalent compounds 9:24- properties of electrovalent compounds 12:30 - important question 19:20- conditions for the formation of ionic compounds.
Guys, He is such a hardworking man ..just look at his voice and writing speed in the topic polar and non polar covalent compounds. He is so sleepy but he is sacrificing his sleep for us . thankyou so much sir. We all are so grateful to have such a teacher in our lives .
@@fu8zy HUH,I DONT WANT TO FLEX OR ANYTHING BUT DO U KNOW WT iq IS ,IT MEANS INTELEGENCE QOUTIENT ,WHICH IS NOTHING RELATED TO STUDIES COZ IQ is very important in life .but these u can muggup and score ok,btw i have iq of 147 which puts me in the top0.1% category of iq,yet i average in exams around 80%
Sir, take my greetings from Bangladesh 🇧🇩. My SSC is just after 42 days. Since we were in a pandemic and got really less time to learn chemistry, I really couldn't make it out. Thanks you so much for this lecture. It has helped me a lot in chemical bonding. Some mere confusions I had, you have made it clear. Allah aapki vala kare. ❤️
Why we don't have teachers like youu in school 😭😂u r an amazing teacher tysm for teaching me full physics and chemistry. Lots of respect towards you 🙏🙏
12:53 sir iam shocked that you predicted a perfect date about me, really it is 16/9/2021 and i am having my exam tommorow fully mindblowing prediction sir, amazing
I have very much problem in chemistry but when I have started seeing sir your video I understand everything thankyou very much for this effort which you are making for us.
@Nadeem Akhtar bete wo tum karte hoge sabko apne jaisa samaj ke rakhe ho kya . Kitno ke school ke chem. Teacher baada phaltu padhate can explain nicely and when asked a lot of questions scold . Such kind of teachers are also there.
sir i am commenting this on 2022 Jan 17 at 12:20 and 20 minutes ago it was 16 and you also said that you are going to study at 16th. what a great prediction, you are awesome.
Sir u are amazing. I always got less marks in chemistry but this time I am perfectly ready for board 2019 u have inspired me that i can also do it and get out of out thank u so much sir .
Sir, I have one doubt. If water is a polar covalent then it should conduct electricity, but we have been taught that distilled water doesn't conduct electricity. Why is this so? Please reply.
Kash mujhe ye sir hote chemistry ke liye 🙏 🙏 , mere classes Mai sir ratta Marne bolate hai aur bolate hai ratta Marne😢😢 ke siwai koi Chara nhi hai chemistry Mai score kr ne ka, sir aap legend ho app jaise log Kam hote hai👏👏, kitne lucky honge vo bache jinhe ye sir kikhate honge, you are a legend sir, hats off... 👏👏🎩🙏
SIR KSM SE ZNDGI MAI PHLI BR CHEMISTRY SMJH AAI HAI THNKU VERY MUCH SIR PLZZ VIDEO BANATE RAHIYE HME AAPKI ZROORT HAI UR TOO GOOD SIR JITNI BHI TAREEF KRO KM HAI SIR THANKUU SIR
Alakh sir you are truly a lengend teacher. You are the most respected teacher in my entire life.. thanks for all your contributions that you have made for us🥰🥰🥰..... Thank you so much..
Sir aap ji notes ki bat kar rahe the is video mein wo kaha milenge? Sir you are a blessing for all the students. Mein koi coaching join nahi kiya lekin aapke selfless or dedicated work ke karan mein aur bahut se students ko bahut help milti hai. Thank you very much sir.
I'm still watching alakh sir old lectures Because sir lectures are 🌟 the best then other I can understand everything in physics and chemistry because of alakh sir Thank u
![BRASIL vs. PERÚ [4-0] | RESUMEN | ELIMINATORIAS SUDAMERICANAS | FECHA 10](http://i.ytimg.com/vi/tbyOJKXfQnI/mqdefault.jpg)
Live Classes, Video Lectures, Test Series, Lecturewise notes, topicwise DPP, dynamic Exercise and much more on Physicswallah App.
Download the App from Google Playstore ( bit.ly/2SHIPW6 )
Physicswallah Instagram Handle : instagram.com/physicswallah/
Physicswallah Facebook Page: facebook.com/physicswallah
Physicswallah Twitter Account : twitter.com/PhysicswallahAP?s=20
Physicswallah App on Google Play Store : bit.ly/2SHIPW6
Physicswallah Website: physicswallahalakhpandey.com/
LAKSHYA Batch(2020-21)
Join the Batch on Physicswallah App bit.ly/2SHIPW6
Registration Open!!!!
What will you get in the Lakshya Batch?
1) Complete Class 12th + JEE Mains/ NEET syllabus - Targeting 95% in Board Exams and Selection in JEE MAINS / NEET with a Strong Score under Direct Guidance of Alakh Pandey.
2)Live Classes and recorded Video Lectures (New, different from those on RUclips)
3)PDF Notes of each class.
4)DPP: Daily Practice Problems with each class having 10 questions based on the class of JEE Mains/NEET level.
5)Syllabus Completion by end of January, 2021 with topicwise discussion of Last 10 Years Problems in Boards, JEE Mains/NEET within Lecture.
6)The Complete Course (Video Lectures, PDF Notes, any other Study Material) will be accessible to all the students untill JEE Mains & NEET 2021 (nearly May 2021)
7)In case you missed a live class, you can see its recording.
8)You can view the videos any number of times.
9)Each chapter will be discussed in detail with all concepts and numericals
10)Chapterwise Approach towards JEE Mains/ NEET & Board Exams.
****Test Series for XI & XII****
We provide you the best test series for Class XI,XII, JEE, NEET chapterwise, which will be scheduled for whole year.
The test series follows very logical sequence of Basic to Advance questions.&
Evaluation of Test and Solution to all the questions at the end of the test.
Class 10 CHEMICAL BONDING | Ionic /Electrovalent Bonding | Covalent Bonding | Polar and Non Polar
ruclips.net/video/ZcmzabBVLh8/видео.html
CoOrDiNaTe BoNdInG : ICSE 10th CHEMISTRy : CHEMICAL BONDING
ruclips.net/video/PfVHYS3oC_4/видео.html
You are the best .👍👍👍
Sir, are you a teacher or a principal
Sir you great
Physics Wallah - Alakh Pandey
Physics Wallah - Alakh Pandey aap konse notes ki baat krte ho pls link share krdo
Its been 5 years since the video got uploaded, and students are admiring him…. This is not just a lecture, its something that what heart wants a teacher to teach alike ! Truly, this not just a masterpiece, its the one and the only! He is god gifted and exam saver! Lots of love and positivity to you sir! ❤🎉
Sahi hai
Baat to sahi hai
29:15
it is the best
Aaj zindagi me pehli baar chemistry samaj mai aai
Good luck for ur boards bro 👊👊👊👍
@@archanamishra6128 same 2 u brother
Same here
Sahi kaha yrr 😂😂
Same
35:10 this shows his dedication although he is tired he wants to teach. Sir u are a god in form of a teacher. hats off to ur efforts.
I love you
@@mobpsycho5044 Grow up
@@certifiedhomie3387 any problem you little shit
@@mobpsycho5044 No but sometimes we all wonder how much time students have that they are here just to embarrass someone by finding their mistake and being rude. I'm sure you are not perfect either. So don't expect a perfect English please. Also however bad it is, I still understood it. Rather so many people liked the message too.
Does somebody know about the notes sir was talking about
I have never ever seen such a great teacher in my entire life of 15 years...... Absolutely in love with ur teaching
@ANON THE DOGE ???
@ANON THE DOGE ikr u jokijg but obviously hes in 10 icse so thats pretty self explanatory
@ANON THE DOGE sahi baat😂
Bhai ab mar gye???
And you won't see also in future 😉
Best teacher ever seen
If accept like
👍
Ni samaj aya sir dogara fir bta dijeye sir please
Alakh sir is best
@@rubeena7859 repeat karke dekh le
Ho skta h
@E Q บ i n ö אָ stupid
0:00 - Names of bonds.
0:41- ionic/electrovalent bond
1:47- Formation of ionic/electrovalent compounds
9:24- properties of electrovalent compounds
12:30 - important question
19:20- conditions for the formation of ionic compounds.
Ye kya bakchodi hai
Or Aage Likh deta😂😂
Usne waha tuk hi dekha hoga 😅
Thanks bro
Ye hote h ppls with big brain thanks
How hard worker he is...he wants to teach us very clearly❤ He took his mobile in his hands and started teaching us... We want a teache like u sir❤❤❤❤❤
Best science teacher i have ever seen in my life
Ooooooo nooooo
Because you never travelled from your point
How forgot
Sir HC Verma, Albert einstein Stephen Hawking galileo galilele
Ek baar arvind arora sir ka to vdo dekho
Inka padhana bhul jaoge
@@joyinlearning3255 yes he is also good
But all teachers are best 💪💪💪💪
Absolutely ryt
Guys, He is such a hardworking man ..just look at his voice and writing speed in the topic polar and non polar covalent compounds. He is so sleepy but he is sacrificing his sleep for us . thankyou so much sir. We all are so grateful to have such a teacher in our lives .
Brother the video is in accelerated form
@@ayushtripathi4712 yes speed is increased
@ayushtripathi4712 but he still was sleepy
Tommorow is my online oral exam of chemical bonding. The only thing that first came to my mind was, *"Search Chemical Bond By Physics Wallah Sir"* .
@@aparnasuryavanshi4745 Yeah 😅😂
😂😂😂
u will fail
@@fu8zy HUH,I DONT WANT TO FLEX OR ANYTHING BUT DO U KNOW WT iq IS ,IT MEANS INTELEGENCE QOUTIENT ,WHICH IS NOTHING RELATED TO STUDIES COZ IQ is very important in life .but these u can muggup and score ok,btw i have iq of 147 which puts me in the top0.1% category of iq,yet i average in exams around 80%
kidding
I am a class 10 th ICSE student who does self study & Alakh sir is seriously a good teacher. Amazing. Makes me fall in love with learning.
Same
owner of 8000 crores brooo
Best teacher for icse 2020 students thanks a lot for the explanation. 😘😘😘😘😘
U r right
Thanks sir
Best way to get likes
@@manastalukdar3058 Also for SSC ( Maharashtra board)
Really
Me never attending online classes of chemistry because I know they can't teach better than alakh pandey sir☺☺☺
Me toooo
But if you study by school teachers, then alakh sir then topic will be more clear
That's an excuse to make your own teachers down
Same here.........
I also never attended online classes of chemistry......
Ryt👍👍
Alakh negetivity:-The tendency to attract students to itself when they are in tution.😁
😂😂
First time I'm feeling like chemistry and physics are not difficult..😌🙏
All thanks to you sir...🙏☺️🙏✨
Actually they are not 🙃
I just tink that if we study its easy if we dont ofcourse physic and chemistry will be hard...dont mind ok am just telling 😁
Wanna be friends??
How many of u agree that sir ke upar bhi ek movie banni chahiye
Like Super 30
True
No
There will be a movie on him one day
@@ananyamandal5449 😂
No....
Covalent compounds explanation starts at 22:19
Thanks brother 😊
Thank you so much 🤗
Thnx bro
@@kitishere28 wlcm most
Tell me where I can get the notes of the chpters about which sir is talking???
Please telll
Sir, take my greetings from Bangladesh 🇧🇩. My SSC is just after 42 days. Since we were in a pandemic and got really less time to learn chemistry, I really couldn't make it out. Thanks you so much for this lecture. It has helped me a lot in chemical bonding. Some mere confusions I had, you have made it clear. Allah aapki vala kare. ❤️
Please stop torture on our Bangladeshi hindus
@@runanandi9078lol 😅
@@runanandi9078 lol
India m sb accha hi padhate hai❤
Vai ami ssc 2025 tao dektesi
Sir, Start making videos like this again. We need this so bad.
This Monday is my exam 😅
@@andyman1730 sab 10th waale hi honge aaj kyuki last moment padhai>>pure saal padhai
@@karantalesara2008 yup
@@karantalesara2008 exactly
Sir wapis ajao 😭😭😭😭😭
Why we don't have teachers like youu in school 😭😂u r an amazing teacher tysm for teaching me full physics and chemistry. Lots of respect towards you 🙏🙏
after reading your comment first thing that came into my mind was IONIC BONDING
Schools can’t afford their salaries per month**
@@ShivamSingh-tp2yi 😂
Private school me salary acchi nhi milti jitna youtube deta hai utna nhi milta hai school me
After watching Physicswallah series I have another level of love and respect for Alakh Sir. Just love our super hero Alakh sir💖
Sir we are lucky to have have a person like you
I understand your teaching very well
Sir I have my preparatory tomorrow and after watching this video I am finding all the concept very easy.
12:53 sir iam shocked that you predicted a perfect date about me, really it is 16/9/2021 and i am having my exam tommorow fully mindblowing prediction sir, amazing
Hahahhaa samee
16/8/22
04/09/22
@@anushkasharma-zk6sp how was your exam?
@@shahwaransariansari1596 bahut mst gya mza aa gya bs result ka intezaar hai
Alakh sir aapka struggle for us 😢 hats off sir hats off😢
Sir please start chemistry series like this only....pehli baar chemistry palle padi.....we want you back....by the way awesome explained ❤️👍🏼
No time wasting direct on topic 😍 amazing teacher love u sirr jiii best explanation ever I have seen on RUclips of chemistry and physics
You are 100 times better than our school chemistry teacher.. She teaches us chemistry and it seems like she is teaching history...
Same
Samee
I have very much problem in chemistry but when I have started seeing sir your video I understand everything thankyou very much for this effort which you are making for us.
Proud to have a teacher like you sir
I love chemistry ❤️
After studying with this man I also love Chem
sir you are really done a hard work
What sir teaches, the same is taught to us in school, but it's amazing how I never understood any of this in school but understood everything here...
True
@Nadeem Akhtar bete wo tum karte hoge sabko apne jaisa samaj ke rakhe ho kya . Kitno ke school ke chem. Teacher baada phaltu padhate can explain nicely and when asked a lot of questions scold . Such kind of teachers are also there.
@@rambilassah2954 beta pehle bolna sikhle aadha hindi aadha english me baat krta h
So much under rated video
Love you sir
Understood all the concepts
Kind request
Everyone plz like this video
Thank you sir ❤
sir i am commenting this on 2022 Jan 17 at 12:20 and 20 minutes ago it was 16 and you also said that you are going to study at 16th. what a great prediction, you are awesome.
Sir no teacher can reach ur teaching level ur always amazing ✌️
11 March 2024
Ko chemistry 😢🎉
Sher 😂
Ramjan❤❤
Me too st. Joseph day school mai
Mine also 😅😢
@@VimleshRajpoot-q4n me who is studying now 😂
(50:33)
Sir: Hydrogen will be very happy.....
Me: I am very happy as God himself has come to teach us on YT
I didn’t need book for studying
He teaches so good
And dedication at high level ❤
who else like the effort of this sir for us?
literally 1 hour,,,, 🙏🏻 thank you sir
Sir you are really a God in physics and chemistry for me
Thank you so much you are the best teacher of science for us ICSE student thank you so much sir for explaining with such a beautiful way!
Tomorrow is my pre-selection... thank you sir i understood this chapter clearly❤
its is 2024 now iam watching this video after 5 years but since it is very helpful.
35:13 what a dedication sir!🙌😬🔥
35:18 dedication ❤️❤️❤️❤️
Thank you to teach us in very simplest way
There is no words to describe how much I am thankful for your great explanation . I will always remember you in my prayers ! 🙏❤️
Hey.... Cutie.. ❤
@@LEXIS_03Abe tharki simp
first time I have Seen Alakh sir teaching on paper with a pen with this new type of Shooting, as the study table of Alakh sir.
Sir u are amazing. I always got less marks in chemistry but this time I am perfectly ready for board 2019 u have inspired me that i can also do it and get out of out thank u so much sir .
How was ur boards?
Hats off to your dedication sir , u are best teacher ❤️ , u are God in form of teacher
Your teaching way is really excellent you cant imagine. You have change how many childrens life . THANKU SO MUCH SIR
SIR I CAN'T EXPRESS MY FEELING WHENEVER I UNDERSTAND THE TOPIC PERFECTLY EXPLAIN BY YOU THANK YOU SIR AND SHADI MUBARAK🎉
Sir apna bhi khayal rakhiye itne bhi efforts Mt kro vdos k pehle aapki sehat mayne rakhti h plz apna dhyan rakhiye humble request
🙂
Outstanding Explanation 👏 ❤
Finnally i understand chemical bond you are the god of chemistry sir
Old is gold 😊
Nobody:
Me: Enjoying the way he changed his tone of speaking while teaching co ordinate bond😂😂
Sir ye video mere lea bhot bhot bhot helpful thi... Thankyou very much sir
.. Really thankyou very much...
You are toooooo amazing....
Thnks...
Alakh sir>>>>>Chemistry books 📚💗
Watching it after 3 years
And still it's the best video till now on this topic on this platform
tooh 3 saal se 10 mail hi ha kya?🤣
34:59 this moment shows how much effort he had done for us
Love you sir..
when click on your I think it's not good but after I started your video I like WOW what a video? your are the best teacher ever ....
Thank you sir. You have been of great help to me. I hated chemistry but now I understand it and enjoy it too.
Monday ko exam hai aur abhi tak yahaan hai❤️
Thaaaank youuu sir!👏 You are truly a guiding light💡 🥰
SIR u teaching very welll is just amazing u deserve a milllions of heart seriouly no words how to explain your teaching method keep it up ......
Sir, I have one doubt. If water is a polar covalent then it should conduct electricity, but we have been taught that distilled water doesn't conduct electricity. Why is this so? Please reply.
Distilled water Has no impurities in it so it doesn't conduct electricity
It has no ions to conduct electricity
well asked question
they have a very little charge because o and h are slightly electropositive and electro(-ve) also there are degrees of ionic bondnothing is absolute
@@nyanpasu5919 ur answer is most relevant!👍
Kash mujhe ye sir hote chemistry ke liye 🙏 🙏 , mere classes Mai sir ratta Marne bolate hai aur bolate hai ratta Marne😢😢 ke siwai koi Chara nhi hai chemistry Mai score kr ne ka, sir aap legend ho app jaise log Kam hote hai👏👏, kitne lucky honge vo bache jinhe ye sir kikhate honge, you are a legend sir, hats off... 👏👏🎩🙏
I love you sir🥺 apke teaching ke sath sath apse bhi pyaar hogya …
thanks sir
Watching for 2021 board exams .. during lockdown.. understood everything better than the explaination of school teacher
This COVID-19's destroyed the whole school year, yaar.
Bs Inka hi saahara h
2020 Board ahead on for me. Thank you for a such a lot of informations!
@@harshhh9914 97.9 percent
Sir because of your teaching skills i can literally complete such 2 long ch of chemical bond and acids bases salts in only 2 days thanku sir
Thank you so much sir...🤓🥺
He never wastes our time.. And jumps straight to the topic... He's just❤😌.. Very nice teaching...
Notes hai tumhra pass ese lesson ka
@@KeshavKumar-kr5kh nope
Salute to this ( 35:10 ) kind of dedication 🙏🏻
Thank you sooo much sir !
Preparing for boards on Monday
@@yohaansaji1427 yeah 😂
SIR KSM SE ZNDGI MAI PHLI BR CHEMISTRY SMJH AAI HAI THNKU VERY MUCH SIR PLZZ VIDEO BANATE RAHIYE HME AAPKI ZROORT HAI UR TOO GOOD SIR JITNI BHI TAREEF KRO KM HAI SIR THANKUU SIR
Thanku so much sir😭😭😭😭😭
Best video on RUclips for chemical bonding.
explanation was superb
chemistry palle nhi padhte sir ki kripa hai ki ab padh rahi hai
2024-2025 students attendance here 😊😅
Yes🎉🎉
Yes
Yess
Present❤
Yess
Physics and chemistry is easy and fun with sir alakh pandey.
true...
Acrore Pandey 😁
Alakh sir you are truly a lengend teacher. You are the most respected teacher in my entire life.. thanks for all your contributions that you have made for us🥰🥰🥰..... Thank you so much..
Reallyyyy Sir. .u r supebbbbbbbbbbbbbb .. teaching in very easy way. And very very very helpful for me and 10th students...
Hii
Sir ke channel pr ab class 9 aur 10 ke full chapter cover hai pr unse jyada sir se hi pdna pasand hai
I love you sir 😊
u r a great teacher who make the study easily understand thank you so much to make this channel for us
Use respect to sir because he teachers from his heart after he is tired then also he is teaching lots of love ❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️
Nice english boi
Chalo 5 din me paper hai
toh padhneka soch lete hai
Same bahi per me aaj suru kar ra
meanwhile boys studying 3min before exam and still manage to get 98% in boards
Today,s 2023 mujhe aj is topic konprhna tha apka channel khola bhut acha samajh aarha ha
Sir aap ji notes ki bat kar rahe the is video mein wo kaha milenge?
Sir you are a blessing for all the students. Mein koi coaching join nahi kiya lekin aapke selfless or dedicated work ke karan mein aur bahut se students ko bahut help milti hai. Thank you very much sir.
Samarth Sai u got notes?
Mera bhi yehi query h aur maine bhot baar pucha bhi alag alag video mai
I also want that ......
I also want the notes
@@abdullahayaz8242 Nhi bhai Sir videos mai sab nhi likhte hai kyunki utna likhna possible nhi hai.Notes sir alag banate honge apne students ke liye.
Alakh sir is the best science teacher I have ever seen in my life .
Sir biggest fann of yours 🙏🙏 thank u so much for your real help to the student who can't afford coaching or tution fee ❤️❤️
thankyou lecture made my subject very easy
Gajab! After seeing this video. I am sure i get full marks in this topic . Great job Sir teaching style awesome ☆☆☆☆☆☆
I want 80/80 in chemistry as it is my favouraite subject isliye saal bhar chem ko padha h isliye full marks ki wish h
Sharing of electrons shows the power of teamwork. 😀
I'm still watching alakh sir old lectures
Because sir lectures are 🌟 the best then other
I can understand everything in physics and chemistry because of alakh sir
Thank u
Sir ji tusi great hoo.....Luv from Punjab....