Airtel gives a very good calling system and we can tower in every part of our country it gives us interent and calling at a cheaper rate. As I am also a user and customer of the Airtel it is very useful and satisfied me at every stage. No where connetion losts and fullfilled all our dream of having a Excellent speed. Never the call breaks abd nor the internet speed gets low. Airtel 4g scheme is very just for ₹348 we get unlimited calling and 1gb/day and can also unlock night data and win 3 gb more day /night data. Very speedy and satisfying