Research approval under section 35(1)(ii) requires separate accounts, annual returns, audited filings and timely renewal. Approval is granted to Astra Research Centre India, Bangalore, under section 35(1)(ii) as an Association for research-related tax recognition from 1-4-1987 to 31-3-1990, subject to conditions: maintain separate research accounts; furnish annual research returns by 31 May; submit audited accounts, income and expenditure statements and balance-sheet to the prescribed authority, Central Board of Direct Taxes and the concerned Commissioner by 30 June; apply three months before expiry for extension; and separately account for funding from ASTRA Sweden with use of additional Indian receipts only with prescribed authority approval.