Rangaswami Cup is related to which game ?

Hockey
Judo
Kabaddi
Kho-Kho

The correct answer is (a) Hockey.

The Rangaswami Cup is an annual field hockey tournament held in India. It is named after M. A. Rangaswami, who was the president of the Indian Hockey Federation from 1950 to 1960. The tournament is played between the top eight teams in India.

The other options are incorrect because they are not related to hockey. Judo is a Japanese martial art, kabaddi is an Indian contact team sport, and kho-kho is an Indian tag game.