I Periodical Cleaning Of Septic Tank, Collection Well, Sewer Line, Inspection Chamber, Manhole, Gully Trap Etc., And Cleaning Jungle, Thorny Bushes, Levelling And Disposing Of Debris In Sse/Works/Tpj Section For A Period Of Two Years And Ii Pumping Out Of Rain Water/ Seepage Water At Various Subways Between Trb And Goc Stations For A Period Of Two Years.