2) The National Stock Exchange uses an index of 50 stocks to graph the market performances. This index, though commonly known as Nifty, is formally known as S&P CNX Nifty. Expand S&P CNX.
3) X is a famous dairy products brand in India. X in Sanskrit means priceless or very valuable. Incidentally, X is also an abbreviation, which is based on the location of its origin. ID X and give its expansion.
4) ID this famous inventor, entrepreneur and policy maker.
5) On what occasion was this Google doodle released?