Section 90B(2)(b) in The Maharashtra Municipal Councils, Nagar Panchayats And Industrial Townships Act, 1965
(b)such percentage of general revenues of last preceding year, for such number of years as the Council may decide on its own or as decided by the State Government at the time of sanctioning any Water Supply or Sewage Disposal Scheme or before giving any guarantee to any loan required by the Council to investigate, prepare plans and estimate and to execute the projected drinking water supply or sewage disposal scheme.