Concept:This question tests knowledge of recent sports news and retirements of Indian athletes.
Explanation:Unmukt Chand is a former Indian cricketer.
He captained India to victory in the 2012 Under-19 Cricket World Cup.
In August 2021, he announced his retirement from Indian cricket.
He took this decision to explore better professional opportunities around the world.
Therefore, he retired from cricket for India, not from wrestling, football, or sprinting.
Answer:D. Cricket