how can we calculate sensex in trade market?

Question

like starting & ending points in sensex graph.

Answer 1

The NIFTY and Bombay SENSEX is based on the Fluctuation of Prices in 50 & 30 Blue chip companies.
So, the performance of the These shares on the stock exchange fluctuates the Sensex in the same way.
Each share has different weightage on the Index.
Currently the Most Heavy weight On the BSE Sensex are
INFOSYS, RELIANCE, ONGC, Tata Motors, Tata Steel, Suzlon Energy and so....
The complete list is available on the Web-site of BSE and NSE.