English Video - By Gyan Verma
Maths& physics - By Rupesh Verma
Chemistry - By Pankaj Maurya
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Playlist --
Maths playlist-- https://youtube.com/playlist?list=PL02zjMGbqVMaeHVpnnyV_7Z18dZ2BX4UD
Physics playlist --
English playlist -- https://youtube.com/playlist?list=PL02zjMGbqVMapWfNCloBWurOc9Pv_1dZA
Chemistry playlist --
