Amul / Gcmmf — charges more than mrp

Address:

Surendranagar, Gujarat

Hello sir,
Amul company,

Dear sir, i am from surendranagar.
Here, in our city, store keeper charges 2 rs. More than mrp.
Example :
Mrp : 10 rs.
Store keeper charges: 12 rs.

Sir please tell me why they charging more than mrp

Please resolve my problem as early as possible.
Shop name
1) bhavik pan parlor, dal mill road
2) kohinar bakery
3) shakti pan parlor