Dr. Krishnaswamy Kasturirangan, one of the architects of the modern Indian space program and a stalwart of Indian science, passed away on 24 April 2025 at the age of 84.

Prime Minister Narendra Modi paid his tributes on X: "Two days ago, we lost the country’s great scientist, Dr. K. Kasturirangan ji. His contribution in lending newer heights to science, education, and India’s Space Program shall always be remembered. ISRO attained a new identity under his leadership."