SMS send/receive provider(in india) required - to be integrated with website

Hi All,

My need is to 

- Send SMS from my website.

- Receive SMS sent by end user and use it directly in website.

Please help me by recommending few good SMSC provider (only bulk SMS provider will not work, need is for 2 way SMS) in india.

Searched over net but response from support staff is extremly poor, hence looking for some recomendation from experienced member of this forum