Minimum alternate tax rate adjusted and certain explanatory clauses omitted, with temporal limits on a sub section's application. Amendment to section 115JB revises the commencement date reference and increases the statutory rate applied under that section from the earlier stated rate to a higher rate effective from the new fiscal commencement. It omits certain clauses of Explanation 1 to sub-section (2) with retrospective effect to the earlier date and inserts a proviso to sub-section (6) so that that sub-section ceases to have effect for previous years relevant to assessment years commencing on or after the new commencement date.