How to find P/E ratio for the sector

#1
How can we find the P/E ratio for the entire sector ? Is there any website which give the P/E ratio of sectors on a daily basis ? Kindly help me out ...
 
#3
fair enough , money control gives info about company's p/e ..
but does moneycontrol also gives p/e ratio of sectors ( industries/verticals) for eg . oil and petroleum sector /industry or automobile industry etc ? if not , then which site gives the same ?