In 1920, Meghand saha discovered his ionization formula (Saha Ionization Equation). In 1924, Satyendra Nath Bose found his photon derivation of Planck’s Law (Bose Statistics). In 1928, Chandrasekhara Venkata Raman discovered the Raman Effect. In 1930, Subrahmanyan Chandrasekhar predicted the Chandrasekhar Limit. Together they contributed to the Golden era of Indian physics.
source – did you know book