Devendra Siroha alias Debu was allegedly involved in a loot of Rs 25 lakh from an ICICI bank branch, SHO Kavi Nagar Ashok Shishodia said.
A terminated Delhi Police constable, Debu was wanted in more than 18 cases of loot, dacoity at various police stations of NCR region.
A .32 caliber pistol and eight live cartridges were recovered from his possession.
Police is tracing his criminal history in other states also, the officer said.