New Delhi: In a major push to rejuvenate the heavily polluted Yamuna, the Delhi government has approved projects worth Rs 1,000 crores, including several new sewage treatment plants (STPs), according to a Delhi CMO statement on Sunday.The government led by Chief Minister Rekha Gupta, is working in mission mode for the rejuvenation of the Yamuna and the cleaning of the Najafgarh Drain, it said.As part of these efforts, Gupta has approved a series of projects worth over Rs 1,000 crore to strengthen Delhi's water management, sewage treatment and water supply systems.The CM said that approval has been granted for the installation of 12 new decentralised STPs in the Najafgarh region. These plants, to be developed under the Central Government's AMRUT scheme at an estimated cost of around Rs 860 crore, will have a combined treatment capacity of 46.5 million gallons per day (MGD).A 17 MGD DSTP will be set up at Mitraon. In addition, four DSTPs will be established at Kair, Kanganheri, Kakrola and Dichaon Kalan, three DSTPs at Galibpur, Sarangpur and Shikarpur, and four DSTPs at Hasanpur, Jaffarpur, Kazipur and Khera Dabar.These projects will benefit more than 121 unauthorised colonies, 35 villages and nearly seven lakh people. They will also prevent untreated sewage from entering the Najafgarh Drain, thereby supporting Yamuna rejuvenation and environmental protection, the CMO said.The CM also announced that Phase I of Keshopur Sewage Treatment Plant (STP) will be upgraded and its capacity expanded from 12 MGD to 18 MGD.The project, estimated to cost around Rs 122 crore, will ensure that the quality of treated water meets the latest prescribed standards.Gupta said that a major trunk sewer line from Amichand Chowk to the Old Kalyanpuri Sewage Pumping Station in the Trilokpuri Assembly constituency will be rehabilitated at a cost of nearly Rs 57 crore. The sewer line is more than 40 years old and has witnessed several cave-ins and technical issues in recent years.In addition, a new Underground Reservoir (UGR) with a capacity of 0.72 MGD, along with a Booster Pumping Station, will be established in Rohtas Nagar.The project, estimated to cost around Rs 27 crore, will strengthen the local water supply system, it added.