Approval under section 35(1)(iii) requires separate research accounts, annual returns, audited accounts and timely renewal application. The Indian Society of Criminology, Department of Psychology, University of Madras is approved as an institution for research-related tax recognition subject to conditions: maintain a separate account for scientific research receipts; furnish prescribed annual returns of research activities by 31 May; submit audited annual accounts, income and expenditure statement and balance sheet to the prescribed authority, the Central Board of Direct Taxes and the concerned Commissioner by 30 June; and apply for extension at least three months before approval expiry to avoid rejection.