Tax approval for scientific research requires separate research accounts, annual DSIR return by May and audited accounts by October. Approval of Technology Information, Forecasting & Assessment Council (TIFAC) as an Institution for research-related tax exemption is granted for 1 April 2000 to 31 March 2003, subject to maintaining separate research accounts, filing an Annual Return of scientific research activities with the Secretary DSIR by 31 May each year, and submitting audited annual accounts and an audited income & expenditure account for research activities to the DGIT(Exemption), Secretary DSIR, and the Commissioner/Director of Income Tax (Exemptions) by 31 October each year, plus filing the return of income; renewal applications must be submitted in triplicate.