@jaithalal you have made a mistake and that's ok. If you hadn't taken the risk, you would not have known the result. The only thing here is you are not ok with the end result. Next time, just think of worst-case scenario and if you are ok with it go for it. Credit Cards are temporary today Millenia is good, tomorrow it may be devalued. So, yeah it is good card for Smarbuy vouchers trick and easy to get annual fee waivers at 1L spends per annum. Just, call them and tell I have changed my mind and want to unblock the card, no need to explain or tell them anything. They will do it.