The country's top mobile operator, Bharti Airtel, will be investing Rs 2,000 crore over three years in the launch of various digital offerings even as the telco gears up to launch Voice over LTE (VoLTE) across the country by the end of this year.

Airtel has announced a few initiatives like allowing postpaid customers to carry forward their unused data to the next billing cycle, pooling of postpaid plan within a family and providing protection for smartphones against damage. Gopal Vittal, managing director and chief executive, India and South Asia, Bharti Airtel, said ...