Explanation:

Jaipal Singh Munda was an Indian politician, writer and sportsman. He was the member of the Constituent Assembly which debated on the new Constitution of the Indian Union. He captained the Indian field hockey team to clinch gold in the 1928 Summer Olympics in Amsterdam. Later he emerged as a campaigner for the causes of Adivasis and the creation of a separate homeland for them in central India. As a member of the Constituent Assembly of India, he campaigned for the rights of the whole tribal community.