Tender For comprehensive operation, maintenance, repair, and replacement of 4 nos. of mechanical composting units, 4 nos. of bio-composting units, and 1 no of bio-methanation unit established by thane municipal corporation for decentralized solid waste manageme - name of work - comprehensive operation, maintenance, repair, and replacement of 4 nos. of mechanical composting units , 4 nos of bio-composting units, and 1 no of bio-methanisationunit established by thane municipal corporation for decentralized solid waste management, (wet waste ) for a period of 3 years (36 months.)