The gang was active in Madhya Pradesh, Delhi and Rajasthan, DIG of Police Rakesh Gupta told reporters.
The accused Shoyeb, Shahnawaj, Neem, Manish, Ateek and Hussain were arrested from different parts of the state, including Indore and Dewas, he said.
Seizures included four Maruti vans, three Taveras, three Indigos, two Maruti Swifts, one Tata Safari and a Ford Endeavour, he said.
The accused are being interrogated and their links in neighboring states are being explored, he said.