Charging more than MRP

I Ravikumar Stays in B-701,Pushkar Accord,Lokhandwala,Kandivali(E),Mumbai-400101, My Contact Number is 8108296644.I purchase Amul milk from a dairy store who sells milk more than MRP and the same has been complained to Amul Consumer Grievance cell but no action till now has been taken and the rate is increased to Rs.20/- for Half litre Amul Milk but they had not changed the rate on packet which is still shows as Rs.19/-.Please register my complaint as we are normal salary people and it is clear a case looting from normal public.