Notes: P.K. Shrivastava has taken over charge as the new Director General of Ordnance Factories (DGOF) and chairman of the Ordnance Factory Board (OFB) with effect from July 1, 2018. Previously, he was Additional DGOF and member at OFB, and was in charge of Armoured Vehicles, headquartered in Avadi, Chennai. The OFB is an industrial organisation, functioning under the Department of Defence Production of Ministry of Defence. The headquarters of OFB is located in Kolkata, West Bengal.