street light annual maintenance contract in anthoor municipality for 2020 , annual maintenance of street lights , the maintenance of various types of street lights in anthoor municipality which includes ( a ) supply and replacment of all defective components of street light system with approved and durable components ( b ) the repair of all incidental defects of street lights . ( c ) peiodical check up of street lights to maintain them in good condition including attending petty repairs . ( d ) except high mast light .