Physics (Bhautik Vigyan) Books of 1st & 2nd Papers of U.P. Board written by D.K. Tyagi, Alka Tyagi useful for 12th Class Students.
wikipedia – February 9, 2018:
Apni book online net per dhikhao pls
Ashok – August 10, 2018:
Old addition was better than this
Shri Balaji Publications – August 10, 2018:
Thanks for feedback.
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