The company said within a month it has expanded 4G LTE service footprint to 24 districts, including Bengaluru, Mysuru, Madikeri, Karwar, Chikmagalur, Belgavi and Chitradurga, covering 20 percent of the state's population.
With rapid expansion, Idea will launch 4G service in Mangaluru, Udupi-Manipal, Vijayapura, Ballari and 18 more towns by end of the fiscal, taking the total tally to 61.
Idea has over 8.6 million consumers in Karnataka, the company said in a release here.
In December, Idea had announced the launch of 4G LTE services in all four telecom circles (five states) of South India - Kerala, Tamil Nadu, Andhra Pradesh and Telangana and Karnataka.
Earlier this month, it launched services across three more circles - Madhya Pradesh, Chhattisgarh, Haryana and Punjab - expanding its 4G LTE service footprint to seven telecom service areas.
Ambrish Jain, Deputy Managing Director Idea Cellular said since last week of December, Idea has rapidly rolled out high-speed 4G LTE network to cover seven major markets in the country.
By March, the services will extend to three more key markets - Maharashtra and Goa, Northeast and Odisha and by June, Idea's 4G footprint will cover 750 cities across 10 telecom circles, he said.
Catch the latest from the Consumer Electronics Show on Gadgets 360, at our CES 2026 hub.