STF Deputy Inspector General (DIG) Satheesh Balan said Ravinder alias Rabbo was a resident of Hodal town in Palwal district of Haryana.
In his late 20s, he was arrested from near Gurugram's Kamla Nehru Park.
"The accused was wanted in a number of cases, including an attempt to murder," Balan said. A pistol was seized from him.
(With inputs from agencies.)