Duty free shops must display prices in Indian rupees and accept INR card payments, with arrival/departure payment limits. Payments at duty free shops may be made directly in Indian rupees via INR credit or debit cards without conversion; DFSs must display all prices only in Indian rupees and ensure INR card payers are not charged in foreign currency or made to bear conversion charges. Arrival-hall INR card payments remain subject to the existing incoming-passenger payment limit, while departure-hall INR card payments are not limited; foreign-currency payments, if requested, must use the exchange rate notified under customs law.