Speaking to reporters, Bangalore Fire Brigade director DB Chengappa said, "We have sealed the entire premises to investigate the cause of the fire."
Police have booked building owners under cases of negligence and culpable homicide not amounting to murder.
Chengappa further said, "The government has ordered an inquiry in the fire accident and directed the Bangalore Bruhat Mahanagara Palike (BBMP) to review fire safety measures in all high-rise buildings across the city."
"No further casualties. Seven of the critically injured are being treated in the ICU while 15 others are under observation in the medical ward. Rest have been sent home," a hospital source said.
Of the nine people who died, six were men and three were women.
The deceased have been identified as Savitha, Benzi Kumar, Rajesh Subramanyam, Surabhi Joshi, Purohit Madan Singh, Sunil Iyer, Fayaz Pasha, Akhil Uday and Siddarth Padam.