"The cost of seized idols is worth several lakhs in the international market," SP city Ashok Kumar Shukla said.
On a tip-off, a raid was made in Satya Nagar colony and arrested Prem Singh Jatav, he said.
Idols of Pipala Mata, Lord Ganesha and Kuber, a countrymade pistol and live cartridges were seized from his possession.
The idols, believed to be 3,000 years old, were stolen on May 11 from a temple in Osiyan town of Rajasthan's Jodhapur district, the police official said.