About: Founded in 1994 and owned by Tata Company, Tanishq is one of the biggest jewellery brands in the country. From gold chains to pearl necklaces, there is no jewelry that Tanishq does not sell. Choose Tanishq gift cards and gift vouchers for cashless shopping. How to Redeem a Gift Card: Walk in to the Tanishq store. Select the applicable Tanishq product based on the gift card type (refer to the to the terms & conditions). At the billing counter, inform the cashier about the choice of making payment using gift cards. The cashier selects gift card as payment mode, submits gift card & PIN details in the system, and completes the billing process.