Complex sentence: Sadanand, Mrs. Sagaram Sadanand, and S. Bhushan were elected as Directors and on 19.5.1936 they co-opted Messers.
Split into simpler sentences: Sadanand, Mrs. Sagaram Sadanand, and S. Bhushan were elected as Directors. And on 19.5.1936 they co-opted Messers.