Triggering another tariff war, Bharti Airtel has reduced its NLD tariffs from up to Rs 2.65 per minute to a flat rate of Rs 1.50 perminute. Roaming charges have also been reduced by as much as 43 per cent for incoming calls. Following Bharti, Vodafone Essar and Idea Cellular have also slashed their NLD rates to Rs 1.30 per minute. Roaming charges have also been reduced to Re 1.00 per minute for all incoming and local outgoing calls.