Tender For annual maintenance contract for day-to-day operations and comprehensive maintenance of 56 kld compact sewage treatmentplant installed at reserve bank of india staff quarters, thamalam, thiruvananthapuram
Tender For corrigendum : design supply installation testing and commissioning of 250 kld capacity leachatetreatmentplant at dumping ground dadumajra chandigarh including trial run and operation maintenance of 24 months