What should buyers check before buying silver jewellery this Diwali?

During Diwali sales, buyers should check silver jewellery and coins for purity, weight, hallmarking and itemised bills before purchasing. Experts advise buying from BIS-registered jewellers, verifying whether discounts apply to silver rates or making charges, and checking buyback policies. Buyers should also confirm 999 purity for coins, compare prices per gram and retain bills.