Indian authorities should order the immediate clean-up of Vedanta's alumina refinery in the state of Orissa...The...Court...dismissed a plea from Vedanta Aluminium, a fully owned subsidiary of...Vedanta Resources, to review a similar court order from July 2011. Vedanta has promised to challenge the decision in India’s Supreme Court. The July 2011 order had upheld the Indian government's...decision to reject Vedanta Aluminium's plans for the expansion of the Lanjigarh refinery after finding that the project violated the country's environmental laws. Research by Amnesty International and other local and international groups documents the serious and continuing pollution caused by the refinery’s operations. Despite the string of decisions against Vedanta, the company has failed to remedy the pollution..."The Indian authorities have remained silent on the issues of cleaning up the refinery and monitoring the health of local communities. They must act on this now,"...[Amnesty International's India researcher Ramesh Gopalakrishnan] added.