National Council of Science Museums (NCSM), an autonomous society under the Ministry of Culture, Government of India was formed on April 4, 1978. Today, it administers 25 Science Centres/Museums/Planetariums spread all over India.
Science City, Kolkata, National Science Centre, Delhi, Nehru Science Centre, Mumbai, Vishvesvraya Industrial and Technological Museum (VITM), Bangluru and Birla Industrial and Technological Museum (BITM), Kolkata are National level centres of NCSM. All have their Regional centres and District Level Centres called Satellite Units (SUs).
http://ncsm.gov.in/who-we-are-2/