Bengaluru, Apr 25 (UNI) India bids farewell to a giant, a true pioneer who not only shaped the destiny of India''s space programme but also left an indelible mark on the country’s educational and environmental landscapes. Dr K Kasturirangan, the distinguished former Chairman of ISRO, died on Friday at the age of 84, at his residence in Bengaluru, leaving behind a legacy that transcends time.