Airtel is the best in India because it has won the heart of every citizen of India. No sim is as famous as airtel in India because of its networking Coverage . its towers are found both in the city and in the villages, it is famous both in city as well as in rural India. Airtel has very nice customer care services when ever any problem or any issues that a customers faced immediately if we call them they solved the problem. It has also very less charges of both net packs as well of the STD/Local call, SMS Packs also in cheap with one month validity as less then that also available.