I am a Professional Lecturer in Physics in INDIA for JEE (IIT), Considered as the toughest examination in the World at 10+2 Level.This exam leads admission into IIT's. I have completed my Post Graduation (M.Sc in Nuclear Physics) from ANDHRA UNIVERSITY, VISAKHA PATNAM (1991). I have worked as a Senior Lecturer in Physics in Large educational institutions in India for the past 23 years. I have founded a Company Sri Devi Classes Private Limited to promote Online Learning especially for Entrance Exams at 10+2 Level such as SAT, JEE(IIT), NEET etc