Here is the little-known story of Udupi Ramachandra Rao, visionary space scientist, ex-ISRO chief and the architect of India’s first satellite Aryabhata.
On November 21 1963, that a small rocket took off from Thumba on the outskirts of Thiruvananthapuram, announcing the birth of the modern space age in India. This is the interesting story of Indian space history's first milestone.