What is the difference between NIFTY and Sensex

Both the NIFTY and Sensex are the indexs used for showing the advances or decline in the Share Market.
Nifty shows the trend of main companies of National Stock Exchange(NSE), whereas the Sensex is the indecator for the Main companies of Bombay stock Exchange (BSE).

Nifty is less expanding index than Sensex ,So less volatile compare to Sensex .

Nifty is more reliable than Sensex too as it is less prone to momentum of the Market.