Wealth-tax exemption: Reserve Bank of India's net wealth removed from levy retrospectively, affecting prior assessments. The amendment inserts clause (k) into section 45 of the Wealth-tax Act to provide that wealth-tax shall not be levied in respect of the net wealth of the Reserve Bank of India, and declares this exclusion to have retrospective effect from 1st April, 1957, applying to the assessment year 1957-1958 and subsequent assessment years.