Here are a few facts about him which you would like to know about the gangster turned politician:
1: Shahabuddin was elected MLA (Independent) for the first time in 1986 and had a speedy rise from crime to politics.
2: He was elected four times as a Member of Parliament from Siwan, Bihar, with the Rashtriya Janata Dal (RJD) party of Lalu Prasad Yadav. He faces around 40 criminal cases lodged against him of which a dozen are in trial stage.
3: Shahabuddin has been in jail since November 2005 after he was arrested from his official MP's residence in New Delhi by a joint team of Bihar and Delhi police, in connection with various cases, including murder, kidnapping, theft, violation of the foreign exchange Act and treason
4: Shahabuddin was sentenced to life imprisonment in December 2015 by a Siwan court in connection with the kidnapping-cum-murder of brothers Girish and Satish, who were doused in acid.
5: The case had hit the headlines in August 2004 when Girish, Satish and their third brother Rajiv Roshan - sons of Siwan businessman Chandra Keshwar Prasad - were picked up by the henchmen of Shahabuddin and taken to his native village Pratappur, where they were given an acid bath. Girish and Satish died
6: Rajiv, who witnessed the killings, however, managed to escape. Soon after the murder, the mother of the youths Kalawati Devi registered a case with the local police, charging Shahabuddin and his men with killing her sons.
7: In the last 10 years, Shahabuddin was twice transferred out of Siwan jail, for a few months each time, to the Bhagalpur and Gaya jails.
8: He was convicted for the first time on May 8, 2007, on charges of abduction and killing of CPI(ML) worker Chhote Lal Gupta in February 1999.
9: Shahabuddin's name, most notoriously, figured in the murder of former JNU president Chandrashekhar, who was shot dead in Siwan on March 31, 1997.
10: During the Lalu Prasad-Rabri Devi era, Shahabuddin ran a parallel administration in Siwan right from the 1990s till 2005 when President's rule was clamped in Bihar. Not a single poster of any Opposition leader was visible when he contested elections.
11: He decided the fees doctors would charge from patients. He would hold Kangaroo courts to decide disputes in Siwan. He was charged with opening fire on the SP of Siwan.
12: The Bihar and UP police fought a gunbattle with him and his men in his native village, leading to the death of 10 persons, including two policemen.