HDFC Adds Adani Duty Free as 5× SmartBuy Reward Partner

HDFC Bank has included Adani Duty Free as a 5× Reward Points/Cashback partner under its SmartBuy rewards program for credit card and debit card users. 

This benefit applies at duty-free stores in specific airports managed by Adani, including, Mumbai, Ahmedabad, Thiruvananthapuram, Jaipur, Mangaluru, Lucknow, and Amritsar. 

• Effective Date: Announced on April 3, 2026 
• Available across: Adani Duty Free stores at airports in Mumbai, Ahmedabad, Thiruvananthapuram, Jaipur, Mangaluru, Lucknow, and Amritsar. 
• Benefit: 5× Reward Points or 5× Cashback via HDFC SmartBuy on eligible purchases at these duty-free stores.
• Applicable Cards: All eligible HDFC credit and debit cards that work with SmartBuy: premium cards typically earn Reward Points, while other cards may get Cashback.

For frequent flyers and travelers who shop at duty-free stores, this can mean substantial savings or reward accumulation.

Adani manages several airports with considerable passenger traffic; adding perks at these locations improves the value proposition of HDFC’s SmartBuy platform.

Full Merchant List: SmartBuy Core Benefits

Apart from the addition of Adani as a reward partner, HDFC has also launched special offers for many other merchants.  Here’s a full list of reward benefits on merchants: 

RP = Reward Points | CB = Cashback

Rewards Redemption Calculation: SmartBuy Offers

Redemption with points only applies to Flights and Hotels. Everything else is earn-only via SmartBuy.

Max benefit/card (Monthly & Daily Cap)

Quick analysis from the SmartBuy offer data (apart from Adani offer):

• Hotels + IGP + Jockey + Pharmeasy are the highest earners at 10X for premium cards
• Diners Black gets 3X (not 5X) on Instant Vouchers and Apple: a notable gap vs Infinia/Regalia
• Trains is the weakest category at just 3X/1%
• Redemption via points is only unlocked for Flights and Hotels: everything else you earn and spend elsewhere
• Daily cap equals monthly cap for Infinia and both Diners Black Metal cards: so no daily throttling there

What you need to know about HDFC SmartBuy? 

SmartBuy is HDFC Bank’s reward acceleration program. Through SmartBuy, customers using eligible HDFC credit or debit cards can earn reward points or cashback multiples (often 3×, 5× or 10×) on specific merchant categories like travel, shopping, gift-vouchers, etc. 

Recently, HDFC has restored benefits after some devaluations. Notably, 5× Reward Points on SmartBuy voucher purchases was briefly set to drop to 3× for Infinia and Infinia Metal credit cards, but that change was reversed prior to implementation.

This update looks to be part of HDFC’s strategy of reinforcing SmartBuy as a rewards-differentiator, especially for travel-oriented spends. If this benefit holds up, it strengthens premium card usage for travel retail and may push other banks to match the perk. As always, caps and exclusions will play a key role in how valued this turns out to be.

Grab these offers on HDFC credit cards soon

If you are an HDFC cardholder who often shops at airports managed by Adani, here are steps you may want to follow:

1. Check whether your card is eligible under SmartBuy for 5× Rewards, as premium cards earn points, others get cashback.
2. Ensure the duty-free store at your departure airport is one of the airports listed: Mumbai, Ahmedabad, Thiruvananthapuram, Jaipur, Mangaluru, Lucknow, or Amritsar.
3. Confirm if pre-orders via Adani One platform qualify and if all product categories in duty free are eligible (some items may be excluded by MCC/AIRPORT codes or regulatory constraints).
4. Watch for monthly reward point caps or maximum cashback limits on SmartBuy, to ensure you get full benefit.

For detailed terms and conditions, refer to the HDFC SmartBuy’s offer page