WATCH THE VIDEO HERE Airtel Nigeria’s Chief Executive Officer, Dinesh Balsingh, has said that the 300 per cent surge in operational cost in the last 18 to 24 months has made tariff adjustments necessary for the long-term sustainability of the telecom sector. Balsingh highlighted the tough economic realities facing the telecom industry. He pointed out that tariffs have remained static for over a decade despite significant increases in operating expenses. Nigerian telcos have submitted their proposal for a 100 per cent tariff increase to the Nigerian Communications Commission, the country’s telecom regulator.