Construction of 2.50 MLD STP with 4.00 KLD Co-Treatment unit (based on any suitable technology), Laying of sewer line and its appurtenant works including 5 Year O and M works in Nagar Palika, Dharchula, Pithoragarh Construction of 2.50 MLD STP with 4.00 KLD Co-Treatment unit (based on any suitable technology), Laying of sewer line and its appurtenant works including 5 Year O and M works in Nagar Palika, Dharchula, Pithoragarh