RVNL , BSE:542649- Keep track of all breaking news and updates on Rail Vikas Nigam Ltd. from all sources in a single place. Discover the latest news and updates from Rail Vikas Nigam Limited ( RVNL ), a public sector enterprise under the Ministry of Railways, India. Rail Vikas Nigam ( RVNL ) share price rose in the early trade on October 28 after the company emerged as the lowest bidder for North Eastern Railway project. RVNL faces revenue decline due to funding gap, diversifies into solar, nuclear, and metro sectors for growth.