"It is proposed that data services should be activated or deactivated only with the explicit consent of the subscriber through toll free short code 1925, following the prescribed procedures for obtaining explicit consent of the consumer and for deactivation data," TRAI said.
The Authority has released the draft 'Telecom Consumers Protection (Eighth Amendment) Regulations, 2015' and is seeking comments of stakeholders. The last date to send comments is May 12.
It said when the usage reaches 90 per cent of the limit, information about the applicable tariff beyond the data limit shall also to be communicated.
"It is proposed to mandate the service providers to provide the mobile subscriber, who has taken data connection through data packs or through tariff plan with discounted tariff upto certain limit, an alert through SMS or USSD, whenever the limit of data usage reaches 50%, 90% and 100% of data limit," TRAI said.
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The Authority also said customers should also be informed through SMS at periodic interval, not exceeding six months, about the prescribed procedure for deactivation of data.
TRAI said it has been receiving several complaints from consumers regarding non-availability of information relating to the amount of data used during a data session.
The service providers offer concessional tariff for data, upto a certain limit, through special tariff vouchers or data packs and also through certain tariff plans.
The regulator said consumers have also voiced their concern about activation of internet service on mobile phones without their consent and knowledge leading to sudden deduction of charges for data usage.