supply of labour for sanitation works including collection of solid waste from door to door , road sweeping , drain cleaning , bush cutting from nac kantabanji area for the f . y . 2020-21 , providing daily door to door collection ( by bell ringing vehicle ) daily road sweeping , daily drain cleaning , daily garbage lifting , spraying disinfectants and sanitation service including collection of garbage , solid wastes from various sources to dumping yard , bush cutting , daily drain cleaning , transportation of all kinds of garbage/ waste from source to dumping yards/mcc/mrf centre identified by the notified area council authority in 16 nos . of wards of nac kantabanji i . e . ward no . 01 to 16 .