The fire broke out at 2.15 pm on Tuesday, Mar 23. It was brought under control at about 10.30 pm.
According to reports, four persons jumped to escape one of the worst blaze in the city and scores were trapped.
Firemen recovered 17 bodies overnight as they went from door to door on the 5th, 6th and 7th floor of the building. Only five of these bodies have been identified so far.
Fire Services minister Pratim Chatterjee said, "300 firemen and 40 fire tenders and snorkels were sent to fight the blaze, which originated from one of the lifts between the fifth and sixth floors of the building."
"An electrical fault is suspected to have caused the fire," Chatterjee said.
Stephen Court is a 150-year-old building on Park Street, home to two of the city's best known restaurants - the iconic Flury's and Peter Cat.