The Delhi-based media professional paid for the merchandise with her Indian bank account’s international debit card, which offers four reward points for every Rs.200 spent overseas. Her expenditure of £186 should ideally have cost less than Rs.24,000, as £1 is usually equal to Rs.115-120, but Singh had to shell out over Rs.25,000 on account of her card’s foreign currency markup fee for international transactions.For overseas travellers, such leakages add to the already high costs. The past few years have se ...