Section 743(6)(c) in The Sugar Undertakings (Taking Over Of Managements) Act, 1978
(c)the average period of manufacture of sugar in relation to any sugar undertaking with respect to any sugar year (hereafter in this clause referred to as the current sugar year) shall be calculated by dividing the total number of calendar days during which the undertaking manufactured sugar during the period of three sugar years immediately preceding the current sugar year by the number of sugar years in which the undertaking manufactured sugar during the said period of three years.