The central government has awarded contracts worth Rs 10.5 billion for the development of sewage treatment infrastructure in Patna, Bihar, under the Namami Gange programme. Under the programme, the centre has awarded a contract worth Rs 6 billion to UEM India Private Limited and Jyoti Build Tech Private Limited. The scope of project work includes the construction of a sewage treatment plant (STP) of 60 mld capacity and the laying of a 227 km long underground sewerage network in the Saidpur zone of the city. The centre has also awarded projects worth Rs 4.5 billion in the Beur zone to a JV of Larsen & Turbo, Voltas Limited and GAA Germany. The works involve the development of a 23 mld STP, the renovation of an existing 20 mld STP and the laying of a sewerage network spanning 180 km. Further, the contracts also include the construction of two main pumping stations, with capacities of 83 mld and 50 mld, respectively, in Saidpur and Beur. Works will also include the operations and maintenance of the STPs and sewerage networks for a period of 10 years.