Reliance Jewels — bangals

Address:

Warangal, Andhra Pradesh, 506001

Sir i purcashed bangles from your store almost a year back wt. 38.450. Within a year enamel got erroded. So i have given it for a repair. While reparing it got damaged. Nobody informed me. Just i went to know the status of my repair it got to know about the event. They asked me to purchases the new one. As the size was not available i placed an order. Now my order is ready and they are asking me to pay making and wastage on entire 46gms of new bangle. I have already paid for 38.450. Gms. I agree to pay for extra gold and it's making and wastage.
Another issue is i purchased 38.450 gms and i gave for repair 36.86 gms. How come there cab be difference of 2 grams just within a span of 1 year.
Please look in this matter. It's going on since november 2018