they are two more Birla planetarium in all over India: b.m. Birla planetarium in Chennai. The planetarium was constructed by ml dalmiya and co. the new planetarium system for the Birla Planetarium is a so-called ZEISS hybrid planetarium. The ious fact of astrophysics, astronomy, space science as well as myths concerning planet and stars. It has a capacity of 6800. Extra shows are arranged on holiday. They are the largest planetarium in Asia and they are the second largest planetarium in India. The Birla Planetarium in Kolkata, West Bengal, India, is a single-storeyed circular structure. It reopens in public on 18 July 2017, after closing down for 28 months of renovation work. It has a capacity of 6800.