Mohammad Islam Shekh, Mohammad Sayeed Kazi, Rehman Ali, Mohammad Hasan, Tahir Faqeer, Manjoor Ali and Sajjad Ali, were arrested yesterday for staying in the country without valid documents, they said.
Sajjad Ali had passport with expired visa while others had no documents, they said.
The seven immigrants reached the city recently and were apprehended on a tip-off from Dargah locality, police said.