Approval under section 35 research status requires separate accounts, annual audited returns, and timely renewal application. Approval is granted to the Karnataka Institute of Applied Agricultural Research as an approved institution for research-related tax purposes, categorized as an 'Association,' subject to conditions: maintain a separate account for research receipts; submit annual research activity returns by 30th April; file audited annual accounts and balance-sheet with the prescribed authority and the Commissioner by 30th June; and apply to the Central Board of Direct Taxes for extension at least three months before approval expiry.