[Resolved]  Half a litre packet of milk of Gokul Dudha — Half a litre packet of milk of Gokul Doodh is selled Re.1 higher than M.R.P

I stay in Thane at the following address:
Flat No. G4. Bldg. No. A4, Shubharam Complex, Manpada, Thane (W).
Near our society are two three general stores shops who are selling half litre packet of milk of any at Re.1 higher than M.R.P. When asked for the reason, they say that because they are getting it at M.R.P, they have to sell at a price higher than M.R.P.
As far as my knowledge is concerned, any shopkeeper cannot sell the product at a price than M.R.P