In a partial response to the appeal by the Manipur Chief Minister N. Biren Singh, oil tanker drivers in the state resumed duty on Wednesday. However they demand lifting of fuel from Assam to ply along the Highways.Government circles are hopeful that the striking drivers shall start lifting fuel soon.Mr. Singh had assured full protection to the drivers during a meeting with the representatives of the drivers and transport agencies on Tuesday. The drivers went on a ceasework strike soon after the ambush of three oil tankers in Kangpokpi district along NH 2 on April 30. Apart from providng adequate security to the driverss, the Cheif Minister offered to start an emergency helpline, ex-gratia apart from a government jobb, to the family members of those who get killed in the militant attacks.A life insurance policy for the drivers with the premium being footed by the government was also assured by Mr. Singh.Though the police had arrested a few Kuki Revolutionary Army militants, the People’s War Group of the Kangleipak Communist Party, a proscribed outfit owned responsibility for the two ambushes along NH 2.