India, March 7 -- State-run telecom operator Mahanagar Telephone Nigam Limited (MTNL) performed the worst in a mobile network performance test conducted by the Telecom Regulatory Authority of India (TRAI) across Mumbai in January.

The independent drive test assessed the real-world performance of mobile networks across different environments, including urban areas, crowded public places, transport hubs and high-speed corridors.

TRAI teams conducted tests across 214.8km in the Mumbai licensed service area. This included 201.7km of city driving, walk tests covering 3.7km, seven hotspot locations and a 9.4km coastal route. The assessment covered 2G, 3G, 4G and 5G services to reflect the experience of users with different types of mobile pho...