Span, Airads, Crayons and Goldmine Advertising have been empanelled in MTNL's roster.
Some of the other agencies that attended the pitch were Percept, Concept and Graphic Advertising, according to sources close to the development.
MTNL, a state-owned tele-communications service provider, intends to strengthen its presence in the country. Considering the number of telecom players in the sector, it will be a task for the agencies to increase and maintain the brand equity, says one of the agencies that made it to the roster.