The site doesn't have a reputed name included there, and that's trybitcoin.in
Currently, they are providing the highest rates per bitcoin and are trustworthy, did 2 trades there and can confirm that transactions were smooth as well as quick, and customer service was good.
Localbitcoin have too many of the spammers and they will pay you either form the hack account or from hack paytm account. Be caustious while dealing with such people as its becomes difficult if you cannot find out. Best is it to ask for ID proof if you selling the btc so that you may have some genuine checked. .
Not spammers, but scammers.
And never deal with PayTM guys as most are fraud deals.