Bharti Airtel is World No. 4 in Terms of Customers and Revenues:-
| 1 | Vodafone | 875 Mln | 
| 2 | China Mobile | 763 Mln | 
| 3 | Telefonica | 217 Mln | 
| 4 | Airtel | 200 Mln | 
Reliance is world 15th Mobile operator with Subscriber base of over 150 million.
Reliance is India 2nd largest in Telecommunication sector.