As an introductory offer, Airtel is offering its 4G services at the cost of 3G; with plans starting as low was Rs 23. Once the Airtel 4G SIM card gets activated, you can subscribe to the 4G data services right away and experience high-speed internet connectivity and download speeds. Some of the interesting data plans are as mentioned.You get to enjoy unlimited local and STD calls, unlimited national roaming, unlimited music and video streaming on Wynk Music and Wynk Movies. This plan also includes 15GB of data for Internet surfing and downloading, which is more than double of what you get in the Rs 1, 999 plan.this is tha bast pale for airtel