How to buy SMS geteway in india?

[jayanagi]

Hi all,

    I wanna sms to send sms from my wesite, so i need some sms gateway, 

    What is the best way to buy the gateway.

    I want to send sms within india only, 

    How much it cost?

    How to use that gateway in php code to send sms.

    Or any free sms gateway there in india?

JayarajMohan.J