Meghnad Saha did his research work in Astrophysics. He did thorough research on selective radiation pressure and its application to Astrophysics. Scientific achievements: When Meghnad was only 25 years old, he wrote several research papers related to the light of the sun and stars after performing experiments. He gave ionisation formula. On the basis of which, astrologers studied the temperature of the sun and stars, the intensity of their light, their size etc. He established National Acadamy of Sciences for creating Scientists. He also organised Indian Institute of Nuclear Physics.
