New Delhi, Nov 11 (PTI) A sudden rise in pollution levels in the Yamuna's raw water has forced the curtailment of production at the Sonia Vihar Water Treatment Plant, affecting water supply in. The affected areas include Khan Market, Lodhi Estate, Golf Links, Jor Bagh, Rabindra Nagar, Bharti Nagar, parts of Lodhi Road, the Delhi High Court and the President’s Estate, among others.