An examination of Nifty 50, Covid 19, Nifty Bank, Nifty IT, Nifty Auto, Nifty Pharma, and a detailed analysis of Tata Elxsi, Petronet LNG,  Suven Pharma, Deepak Nitrite, Alkyl Amines Chemicals, Thirumalai Chemicals, Tube Investments of India, Praj Industries, Hindustan Aeronautics, IDFC First Bank, Dabur India, Advanced Enzyme Techs, Indian Energy Exchange, Bhansali Engr, Aarti Industries, ONGC, GNFC, Sequent Scientific, Rallis India, Orient Electric, Tata Coffee, and Welspun India,