Accused Ranjeet Singh, 40, of Gautampuri area had absconded after securing bail after remaining in police custody till January 3 in a case registered against him.
"We received a tip-off about him on March 9, after which a trap was laid. He was arrested from Najafgarh and two cartridges and a sophisticated pistol were seized from him," Deputy Commissioner of Police (Crime) Shisham Singh said.
According to police, Ranjeet and his four accomplices had committed a robbery of Rs 5.25 crore in Defence Colony in 2012 and was involved in the killing of a car driver.
"In 1998, the accused formed a gang and was involved in 17 cases of robbery, extortion, snatchings and under the Arms Act," Singh added.
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