Research exemption approval requires separate research accounts, annual scientific returns by May and audited accounts with renewal filings. M/s Diabetes Research Centre Foundation is approved as an Association for research deduction purposes for 1 April 2001-31 March 2004, subject to maintaining separate research books, filing an annual scientific research return with the Department of Scientific & Industrial Research by 31 May, and submitting audited annual accounts and audited income & expenditure accounts for research to designated tax and DSIR authorities by 31 October each year; renewal applications must be filed in triplicate through the tax authority and sent in three copies to the DSIR.