Exemption under section 35AC extended for a specified medical trust scheme permitting donations for eligible hospital projects. The Central Government specifies the scheme of Shri Sathya Sai Medical Trust under section 35AC for maintenance and running of cardiology, hospital repairs/renewals, and maintenance of ophthalmology and subsequent ENT phases; on recommendation of the National Committee and under the relevant rule, the scheme is extended as an eligible project for a further assessment-year period at the stated estimated project cost, preserving its qualification for the statutory tax-related benefits during that extension.