Research approval under section 35(1)(iii) enables institute tax benefits subject to reporting and renewal conditions. Karve Institute of Social Service, Pune is approved as an institution under section 35(1)(iii) for research expenditure, subject to conditions: maintain separate research accounts; furnish annual research returns to the prescribed authority by 30 April; submit audited accounts, income and expenditure statements and balance sheet to the prescribed authority and copy to the Commissioner of Income-tax by 30 June; and apply to the Central Board of Direct Taxes for extension at least three months before approval expiry. Approval effective 1 April 1984 to 31 March 1987.