Airtel is nice network and I have been using Airtel in my phone.
Airtel spread the whole india and airtel Network is very strong and speed of internet is very fast compare to other network and Airtel is giving 1 GB internet to their customars as well as unlimited calling Local and STD on any network. I want to tell to anyone speed of internet is very nice of airtel, everywhere mobile catch network of airtel and this is big thing of this network. And Airtel is a old company.
I am talking with my experience.