Mp Jewellers — gold rate overcharged

Address: MP Jewellers Tezpur Sonitpur Assam 784001

Sir i purchased jewellery worth ₹ 295000/- on 28/05/2020 fro m mp jewellers tezpur assam 784001. I checked the rate of gold at tezpur on that date and found ₹ 4500/gram. I was being charged @₹ 4747/- gram for my purchased. I complaint to incharge concern but of no avail. Above all i paid @20% as making charges and 3%gst also. Request for your kind solution.