Hyundai Motor India — Complaint about after repairing parts missing

Address:

Block 11 quarter no 1C, P.N.T. Quarters

December 2021 I send my car for repair in nimbus hyundai ghaziabad, but when I receive my car after repairing, my co driver seat belt buzzer not work I find that some part is missing that's why seat alarm not work when someone not wear the seat belt. I informed about this problem in workshop but they are not give me any response and solution.