The correct answer is option c i.e. Systemic inefficiencies in sports.
Poor infrastructure, weak training, and scouting problems caused India’s decline.
Line to refer: “Post-1980… exposing systemic inefficiencies: lack of infrastructure, inadequate training, and minimal grassroots scouting.”
Detailed explanation: The passage clearly attributes the post-1980 medal drought to systemic issues in India’s sports system. These included inadequate infrastructure, weak coaching support, and a lack of effective scouting structures. Therefore, option c is perfectly aligned with the information provided in the passage.