Explanation:

Gatka is the name of an Indian martial art associated with the Sikhs of the Punjab who practice an early variant of the martial art. It is a style of stick-fighting, with wooden sticks intended to simulate swords.
Thang-Ta, a Manipur martial art has passed into oblivion in recent decades, but the sport will get national recognition again with the help of the Khelo India Youth Games 2021.
Kalaripayattu, also known simply as Kalari, is an Indian martial art that originated in modern-day Kerala, a state on the southwestern coast of India. Kalaripayattu is known for its long-standing history within Indian martial arts. It is believed to be the oldest surviving martial art in India.
Silambam is a traditional Tamilan martial art based on stick fighting. This style supposedly originates from the Kurinji Hills in present day Tamil Nadu 10,000 years ago, where natives used bamboo staves to defend themselves against wild animals.