Tax exemption under section 35AC extended for Rural Mobile Clinic project, preserving donor deduction eligibility for further assessment years. The Central Government specifies the Rural Mobile Clinic of Hindu Mission Hospital as an eligible project under section 35AC, following the National Committee's recommendation that the scheme is properly executed, and extends its specification for a further three assessment years commencing from the assessment year 1999-2000 at an estimated cost of thirty lakhs, thereby continuing the project's eligibility for the tax exemption framework.