Section 2(9) in Andhra Pradesh Irrigation Utilisation and Command Area Development Act, 1984
(9)"drainage system" includes -(a)channels either natural or artificial, for the discharge of waste or surplus water and all works connected therewith or ancillary thereto;(b)escape channels from an irrigation or distribution system and other works connected therewith but does not include works for removal of sewage;(c)all collecting drains and main drains to drain off surplus water from field drains;(d)all field drains and related structures under pipe outlet;
