I prefer to to recharge on freecharge.in because of its instant cashback coupons which save on mobile recharges. But recently they have come up with coupons for different online brands which is not a good deal as most of them are on a min purchase of so. & so prices which may not be our choice.
The website is little slow in loading which may create that irritation when you are at a moment to make payment & again you should start from beginning.
Else its a trustworthy site for online recharge.