Answer : 2. "Hockey"
Explanation :

Beighton Cup is associated with (B) Hockey.

The Beighton Cup is one of the oldest field hockey tournaments in India. It is named after Sir Thomas Beighton, a former president of the Indian Hockey Federation. The tournament has a rich history and has been a significant event in the Indian field hockey calendar, attracting teams from various regions to compete for the prestigious cup. As such, Beighton Cup is closely associated with the sport of field hockey.