IGAV India - Govt. Approved Valuers | Property, Land, Plant & Machinery. The Institution of Govt Approved Valuers (IGAV) is registered under Societies Registration Act XXI of 1860 by the Registrar of Societies, Government of NCT of Delhi, vide Registration No 43936 dated 27.9.2002.. Valuation, Valuers, Valuers Institution, Government Approved Valuer, Government registered Valuer, Membership of Valuer, Valuers Organisation, Valuation of property, Valuation of Plant and Machinery, Registration as a valuer