The Homi Bhabha Centre for Science Education (HBCSE) is a National Centre of the Tata Institute of Fundamental Research (TIFR), Mumbai.
The centre aims to promote equity and excellence in science and mathematics education from primary school to undergraduate college level, through a wide range of activities all over the country.
You can know more about the centre here:
http://www.hbcse.tifr.res.in/