Mohammed, an employee of a private firm, found the bag with seven Sri Lankan passports in it lying abandoned on a road in R A Puram area of the city.
He handed over the bag to police.
The passports belonged to Ravichandran, Vadivambigai, Sai, Aarthy, Shanmugarathinasamy, Gowthaman, Visakam of a family, police said.
The family lost their passports 10 days ago in a bus and had lodged a complaint with the police. They were here for medical treatment a member.
After inquiry, the passports were restored to its holders, police said.
