Naseemuddin Siddiqui holds four portfolios in Mayawati's government, including agriculture and industry.
An old-timer, he was among the very few leaders who did not fall out with Mayawati after she took charge of the party after BSP founder and her mentor Kanshi Ram had a debilitating stroke.
His loyalty, BSP insiders say, comes from his army background and love for his mother.
He gave up his job in the army, where he held a lower posting, to be with his dying mother. She lived for six years before passing away. After that, he joined the BSP and became a loyal follower of Kanshi Ram and Mayawati.
As a sign of respect, he never sits in front of Mayawati.
Siddiqui is the only Muslim leader in the BSP's top leadership. He also collects funds for the party which he then hands over to Kushwaha.
Also see: Resurgence of the Congress & BJP in UP | India Votes 2009