To purchase Tether (USDT) in India, the best way is to register on a licensed and regulated Crypto exchange that lists and offers USDT trading. Any such exchange that has listed Tether on its platform will allow for the exchange of INR for the stablecoin or other digital assets. Deposits of INR can be made via various secure methods such as Bank Transfer, Debit/Credit Card, and UPI deposit for quick purchase of USDT. Here’s a step by step guide on the same: https://wazirx.com/blog/how-to-buy-tether-usdt-coin-in-india/