(a) whether income from lease rental constitutes a major source of revenue for Port Trusts;
(b) if so, whether the outstanding lease rental of Mumbai Port Trust have increased to a whooping Rs. 550.95 crore during 1998-99;
(c) the action being taken by the Mumbai Port Trust to recover the lease rental overdues;
(d) whether it is also a fact that Mumbai Port Trust did not furnish data of land use plan in accordance with the guidelines issued in 1995; and
(e) if so, the reasons therefor ?