Union Of India vs Chairman, U.P.S.E.B. & Ors

The Supreme Court addressed the legality of Northern Railways' construction of transmission lines to draw power from NTPC, as opposed to UPSEB. The Court held that the Railways had the authority to construct these lines under the power purchasing agreement with NTPC, which was approved by the Central Government. The Court upheld the High Court's decision allowing the Railways to continue construction, emphasizing the validity of the agreement and the necessity for the Railways to secure a reliable power supply.