Airtel and Hutch are coming up with Zero Rental GPRS service as pointed out by Mobile Pundit.
Airtel Chennai offers a zero-rental GPRS service for its post-paid customers at pay-per-use rate of Re 1 per 100 kilobytes. Which works out to Rs 10 per 1MB.
Hutch is also planning to bring out something similar.
Its great news for those people who wish to try the service but not willing to shell out a monthly rental.