Twelve contractual employees of a Covid-19 care centre at the Bandra-Kurla Complex here have complained to the Mumbai police against their placement agency for allegedly not paying their salaries since the last three months, a police official said.

The employees in their complaint lodged at the BKC police station alleged that one Gaurav Joshi, who runs the placement agency, hired their services, but they have not got their salaries since April this year. They also alleged that Joshi had threatened them.