"Mahanagar Telephone Nigam Limited (MTNL) has decided to offer up to three times free data on existing prepaid 3G data coupons available in the market," the public sector firm said in a statement.
The company announced that customers buying its Rs 99 data coupons will get 1.5 GB data with a validity of 30 days against 500 MB earlier. Similarly Rs 19 coupon will now provide triple data at 750 MB.
The scheme has been in effect from August 7, the company said.
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