In 2014 and 2015 I think that airtel network is best now when jio comes I use jio and find jio is the largest networking sim in india. RECHARGE IS EXPENSIVE now day recharge of airtel sim is so expensive but when jio come not the airtel almost all sim down their recharge rate .IN VILLAGE OF INDIA ONLY SOME VILLAGE WHERE AIRTEL NETWORK REACH in 2017 some village have not 2G network till date but jio give 4G in all village
CALL RATE IS EXPENSIVE