Airtel has announced a slew of new plans for its prepaid customers starting from Rs 5, Rs 8 going up to Rs 399 in some cases which offer data, voice calls. The plans can differ according to circles, and here's a close look at some. br Airtel has plans of Rs 8, Rs 15, Rs 40, Rs 349 and Rs 399, which offer a variety of data and voice calling options. Here’s a quick look at all the new Airtel plans.