v mart prices higher than the mrp prices in begusarai

Location/place: begusarai

Name of company/service: indian oil corporation

Dear sir
I bought inner garments (under wear) of TT desire from V Mart Begusarai at VMART Price of Rs 79 per piece but original MRP on carton on TT desire was Rs 69 against the size 90 CM .
this is the malpractices of vmart , we do not know how many inner garments were sell at higher prices .
sir , kindly look into the matter