Sanjay Singh was nabbed by a team of Jaipur police when he was about to board a train for Kolkata on Thursday night, Jaipur Police Commissioner B L Soni told reporters here today.
He along with six others had robbed a jewellery shop in July, Soni said.
Rest of the accused were arrested earlier and the police have recovered booty worth Rs 70 lakh, he said.
"Singh has a criminal background and was involved in several cases in Odisha, Bihar and Jharkhand," he said, adding, the accused was in 11-day police remand.