New Delhi: Mobile operators using the GSM technology added 9.3 million subscribers during August, up 2.86% over July, taking the total GSM subscriber base in the country to 335 million, the Cellular Operators Association of India said on Thursday.

During the month, the country's largest telecom operator, Bharti Airtel, added 2.8 million subscribers, taking its tally of customers to over 107 million. Bharti Airtel continued to maintain the highest share in the market at 32.19%. The company added its maximum number of subscribers of over 3.1 lakh from Rajasthan followed by Andhra Pradesh where it added over 3 lakh users in August.

Vodafone-Essar, the country's second largest GSM mobile operator, added close to 2.2 million, a growth of 2.79% over July, subscribers in August, taking its total subscriber base to more than 80 million. The company had a market share of around 24.11%. The company added the highest number of subscribers in Rajasthan with addition being than 3 lakh. The second highest additions for the mobile service provider came from the circle of Bihar at over 2.2 lakh additions during August.

BSNL, the third largest GSM operator, registered a market share of 15.52% during the month, adding 1.3 mobile users at a rate of 2.67%. It was successful in arresting the erosion in its subscriber base in a few circles during August.