"There is a power failure in south Mumbai. Exchange is working normally. The listing ceremony was concluded successfully for Mazagon Shipbuilders today morning," a BSE spokesperson said.
The NSE too said it is functioning normally.
Large parts of the financial capital reported a major power outage on Monday morning due to a technical failure.
In a tweet, Brihanmumbai Electricity Supply and Transport (BEST) said "the electric supply is interrupted due to TATAs incoming electric supply failure".
Multiple operators, including the state-run BEST, Adani Electricity and Tata Power supply power to the city.