[Resolved]  Pepsi, 7up, Coca Cola — selling the product more than the m.r.p price

My name is R.karthikeyan I am staying in oil monger street, royapettah chennai-14. in shops near my house they are selling the pepsi, cocacola, etc, . at rs22. But it actual m.r.p price mentioned in the product is rs20..
I asked them why should i give rs22. when the m.r.p is rs20.. the man in the shop told me it is 22rs only i[censored] want means buy or go.. the shops are located near jambazar police station itself... It is not only in this area every where the shopkeeper are selling at higher price only.. my contact number is [protected]. please do inform me what action you would take against this complaint...