The Mobile Users Satisfaction Survey 2003 was done by International Data Corp (IDC) Voice & Data magazine. Billing errors should be 0.1% (per 100 subscribers) per month. But 9% of the sample size (2,217 users) have had billing problems with the service provider.
The survey said, ?This figure is on the extremely higher side. In billing disputes and complaints, Reliance had the highest number of complaints ? an average of 24 complaints for every 100 subscribers which is quite alarming.? Beside Reliance, the maximum billing complaints in the top five were for HFCL (19%), Tata Teleservices (13%), Idea Cellular (10%), Aircel (9%). The complaints for Bharat Sanchar Nigam Ltd (BSNL), Bharti and Hutch are 7%, 6% and 5% respectively.