Bengaluru, Nov. 3 -- It's impossible to miss the 60-storeyed skyscraper in south Mumbai's posh Tardeo locality. Named The Imperial, the iconic blue and white twin towers with conical tops were designed by noted architect Hafeez Contractor. Built by SD Corp, a joint venture between the infrastructure-to-energy conglomerate Shapoorji Pallonji Group and the Dilip Thacker Group, the residential building was one of the earliest slum redevelopment projects in India's financial capital. When it was completed in 2010, it was India's tallest building, and altered the skyline of the city.

While The Imperial is one of its best-known real estate projects, the 160-year-old Shapoorji Pallonji Group is better known for its construction chops.

As a con...