goFreeSMS* is an absolutely free text SMS messaging services that lets you send unlimited SMS messages from your computer or cell phone to any other mobile phone in the world (including India). And sending SMS is as simple as sending an email message.
The same SMS message can be sent to multiple phones with a 120 character limit. Works with Reliance Mobile Phones, Airtel, Hutch, Vodafone, BSNL, Idea Cellular, Tata Indicom and most other mobile phone companies.
When you provide the name of your country/city, goFreeSMS shows the list of available mobile carriers in your area. Once you find your operator in the list, select it and type your mobile number using the standard international number formatting system. *sorry but this service is discontinued