Lalitha Jewellery — Invoice not received

I bought jewel on 07.04.2022 closing chit and card payment .I have purchased in Salem branch so they said bill will be send by courier from Trichy branch.Till today I did not receive the bill.More over they charged me extra payment also .And they telephoned me that extra payment of Rs.2100 was got from me. Kindly I request you to take action