Iswaran was a key figure in the history of the Indian National Army (INA).

• Role: He served as the Secretary of the Overseas Indian Independence League in Bangkok.
• Contribution: Iswaran played a significant role in mobilizing support and resources for the INA, particularly among the Indian diaspora in Southeast Asia.

He was instrumental in organizing the Indian community and rallying them to support Subhas Chandra Bose and the INA's cause of Indian independence.