RAILWAY ALL EXAM 2024 || CHEMISTRY || Non Metal अधातु One Shot || By BK Pathak Sir

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Sabse sandar class guru ji❤❤❤🙏🙏🙏🙏🙏🙏

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Bahut hi acche se btaya bahut hi sandar sir ❤❤❤❤

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Best padate hai sir

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Very nice

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Love you sir

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Thank you sir ❤

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Sir bramhastra batch me biology ka PDF dalva dijiye sir aur Jo topic bache hai usko kra dijiye sir plz

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Sir mene pathshala app par paid course liya hai science by bk pathak. Par sir vo course me kuch open hi ni ho rha. Plz help me sir na koi video open horha hai na koi pdf

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Sir mere ko railway kai liye science ka course le na hai

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Pariksha app Kam hi nahi kar raha hai app hi bat do contact no.

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Pathshala app