Sangam Wine Shop, Koppal, Mysuru Road, Sringapatana Tq, Mandya Karnataka — Charges more than MRP and rude behaviour

I bought one product from Sangam Wine shop Koppal Mysuru road Sringapatana Tq Mandya dist Karnataka and he charges six rupees more than MRP and when I opposes he said fearlessly that it is not MRP shop and do whatever you can.