► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />Elections in Bihar, one of India's poorest states, could test prime minister Narendra Modi's popularity as his BJP tries to wrest control there. The FT's Victor Mallet reports.<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