 "GSM subscribers up by 4.41 million in September")
The all-India GSM subscribers increased by 4.41 million in September 2013, data released by Cellular Operators Association of India said here Wednesday.
Total number of GSM subscribers as of September 2013 stood at 678.82 million.
Airtel recorded the maximum subscribers at 193.39 million. It was followed by Vodafone with 156 million and Idea with 127 million.