The first explosion was reported from Mumbai’s famous Zaveeri Bazaar, an area of South Mumbai that is famous for its jewellery markets and Mumbadevi temple.
The second explosion was reported in a taxi in Dadar area, he said.
The third blast was reported from Opera House in Charni Road.
Meanwhile, an NIA team has been sent to Mumbai and all major Indian cities have been put on high alert.
Mumbai, the financial capital of India, has witnessed the worst-every militant strike of India, when 10 heavily armed personnel attacked two luxury hotels and a Jewish settlement and killed at least 166 people.