As per the Telecom Regulatory Authority of India (TRAI) guideline, not more than 0.1 per cent of the total bills raised by a company in a service area should be disputed.
However, 0.18 per cent post-paid customers of Vodafone customers in Andhra Pradesh disputed their bills, 0.33 per cent in Assam and 0.24 in North East telecom service area which covers six states, as per TRAI's Indian Telecom Services Performance Indicators for June-September 2014 period.
Over 1 per cent of pre-paid customers of state-run BSNL raised issues in Kolkata and 0.24 per cent in West Bengal raised issue regarding their bills.
As per TRAI guuidelines, if a customer raises any dispute regarding the bill, companies must resolve the issue within four to six weeks to 100 per cent satisfaction of the customer.
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BSNL was unable to resolve billing dispute within 4 weeks in 10 out of 22 telecom circles in the country which include Bihar, Kolkata, North East, Odisha, UP West and West Bengal. There were no records of BSNL available for Himachal Pradesh, Punjab and Rajasthan.
Airtel and BSNL failed to refund charges levied wrongly on consumers within TRAI benchmark of 1 week from the date complaint is resolved.
While Airtel was found breaching the guidelines on the same in Delhi and Chennai, the state-run firm BSNL credited money back into customer's account across six service areas - Bihar, Chennai, Kolkata, North East, UP West and Bengal.
TRAI did not had BSNL report on refund status of wrongly charged money in Himachal Pradesh, Jammu and Kashmir, Punjab and Rajasthan.