FT south Asia bureau chief Victor Mallet reports on efforts by the Indian state of West Bengal to restore its economic health. Now with a population of more than 90m, the state was once the industrial and administrative hub of British India.<br /><br />Filmed and produced by Jyotsna Singh. Edited by Paolo Pascual.<br /><br />► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes