chennai city corporation found slipway realise revenue solid waste 100000 kg manure produced composting centres earned lakh since may centres across greater madras corporation zones process tonnes wet garbage kitchen vegetable waste twentyfour hours addon civic body windrow compost yard madhavaram tonnes waste processed sold tamil nadu conjunct marketing federation chief engineer solid waste material direction n mahesan said existing substructure including madhavaram unit helping reduce waste going landfills apart generating revenue people buy manure division offices segregate compost permissive waste function manure create terrace gardens tummy holds exclusive camps every rukmani awcem foundation play solid waste management teaches segregation lessons corporation schools said people localise vii muckle even buckets homes composting fill one pot put wet waste vegetable waste egg shells yield waste stratum every solar day vii throne covered seven days quatern weeks keep dry place adequate light day muck prepare said segregation composting must stretch out corporation panchayat schools meal schemes generate lot wet ganesh rwa secretary velachery colony said segregation enforced houses field inspection ensure segregation collection corporation also must mix segregated waste equanimous