Section 17(8)(b) in The Rajasthan Colonisation (Temporary Cultivation Leases) Conditions, 1955
(b)to pay such amount towards the cost of the construction and maintenance as the Collector or [Irrigation Officer] [Substituted by Notification dated 02.06.1970-Rajasthan Gazette, dated 02.06.1970.] may determine, whether the cost has already been incurred at the time of grant or may be incurred thereafter,