Section 4(3) in The Jayanti Shipping Company (Acquisition Of Shares) Act, 1971
(3)The first of the three equal annual instalments referred to in clause (a) of sub-section (2) shall be paid, and the securities referred to in clause (b) of that sub-section shall be issued, within sixty days from the date of receipt by the Central Government of the option referred to in that sub-section, or where no such option has been exercised, from the latest date before which such option ought to have been exercised.
