Coca - Cola And Pepsi — Why should i pay more than MRP?

Address:

Bangalore, Karnataka

I want to know why do retailers all over India charge more money than the price quoted as MRP (Maximum retail Price), for bottled cold drinks? I live in J.P.Nagar 6th phase in Bangalore. And there is a retailer with shop name "City Bakes Bakery" and charges Rs. 27/- instead of Rs.25/- for a 400ml bottle of Coke. The same is the case for all range of products. The glass bottle as Rs.13/-. It is the same case for Pepsi products too. They charge Rs.3/- extra on MRP for entire range of products. They complain that because of electricity usage they charge. Is the price quoted by the company for warm bottle and not cold? Regards Consumer Bangalore