Hiring the Services of an Unlisted Mandal (Skilled) with one Listed Assistant (Unskilled) in Land Section, PHQ, Noonmati for detail survey of pipeline row land with drawings as well as collection and preparation of land records from Government Offices in Assam as may be required from time to time for a period of 3 (three) years extendable by another 1 year subject to satisfactory service w.e.f. under Land Section, Oil India Limited, PHQ, Guwahati, Assam.