Tulsiani Sumer Associates (TSA) is a partnership firm founded in the year 1996 by Tulsiani and Sumer Groups, both leading organizations in construction industry engaged in developing commercial and residential complexes.

The firm is currently developing a commercial office complex at J. B. Nagar, Andheri Kurla Road, Andheri (East), Mumbai called SAHAR PLAZA, which includes four completed buildings, Midas, Bonanza, Meadows & Windfall. The fifth, called Mint, is currently under construction.