Sampat Nehra, 28, belonging to the Lawrence Bishnoi gang was arrested from Hyderabad yesterday. Cases were registered against him in Haryana, Punjab, Rajasthan and Chandigarh.
He also carried a cash reward on his head and had been absconding for the past few years, Haryana Police said.
The gangster, a resident of village Kalauri in Rajasthan's Churu district was a sharp shooter of the Lawrence Bishnoi gang and had been active in students politics.
Nehra and his gang were involved in the attempted murder of an INLD leader's brother, demanding a ransom of Rs 3 crore from a businessman in Chandigarh, opening fire at a police team to free their associate Deepak from police custody and killing a man after looting his SUV at gun point in Kurukshetra.
Director General of Police B S Sandhu congratulated the STF team on the achievement.