It shut operations a week ago, affecting 1.8 million customers in Mumbai. The company has already made refunds of over 4 lakh and published a list of its outlets equipped to make refunds on outstanding prepaid balance.
Telenor's subsidiary Uninor had been instructed by telecom regulator Trai to return balance amounts of its subscribers in Mumbai and Kolkata within 15 days and facilitate its customers to move to other operators using mobile number portability, following a court ruling against extension of its licence.
"Uninor will immediately begin offering porting codes to its Mumbai subscribers. Additionally, the company has already started the balance refund process at five of its stores in Mumbai from February 21. This initiative is now being publically announced and scaled up," the company said in a statement on Sunday.
Competing operators, including Bharti Airtel and Reliance Communications have created special service plans and offerings to attract these customers.
Refunds will be available at 12 company owned and franchise stores for 15 days.