https://www.desidime.com/discussions/best-option-to-redeem-the-reward-points-accumulated-for-hdfc-regalia-first-credit-card?page=1#post_8983558
flight hotel bookings give the best value.
Reward Points can be redeemed for:
- Flights and hotel bookings via Smartbuy at a value of 1 RP = Rs 0.5
- Airmiles conversion through netbanking at a value of 1RP = 0.5 airmile
- Products and Vouchers via Netbanking or SmartBuy at a value of 1 RP = upto Rs 0.35
- Cashback at a value of 1 RP = Rs 0.20