Answer : 1. "Sunil Chhetri"
Explanation :

India's most famous footballer Sunil Chhetri has announced his retirement from international football. The FIFA World Cup qualifier match against Kuwait in Kolkata on June 6 will be his last match for the national team. Chhetri started his career with Mohun Bagan in 2002. Chhetri's international debut took place in 2005 and he scored his first goal against Pakistan.