Exemption under section 35AC: construction of tribal residential school with vocational centre specified as eligible project for further year. Exemption under section 35AC: the Central Government extends specification of the construction of Saraswati Vidhya Mandir Residential High School for tribals with a Vocational Training Centre at Village Ratanpur by Bhartiya Shikshan Avam Shedh Parishad, Bihar, as an eligible project for tax exemption for one further assessment year (assessment year 1997-98) on the National Committee's recommendation, at an estimated project cost of one crore sixty-nine lakhs sixty-nine thousand rupees.