The Madras Labour Union, one of India’s first trade unions, was founded by:

B.P. Wadia was a businessman and politician who was involved in the Indian independence movement. He was not involved in the founding of the Madras Labour Union.

Periyar E.V. Ramasamy was a social reformer and politician who was known for his work on caste reform and women’s rights. He was not involved in the founding of the Madras Labour Union.

Rettamalai Srinivasan was a social reformer and politician who was known for his work on education and social welfare. He was not involved in the founding of the Madras Labour Union.