Sri N. V. Nagasubramaniam is a distinguished advocate and one of the founding trustees of Siruthuli. He has served as President of both the Coimbatore Bar Association and the Coimbatore Advocates Association.
He holds several key positions in educational, cultural, and healthcare institutions. He is the Chairman of Bharatiya Vidya Bhavan, Coimbatore Kendra, and Chairman of the Board of Trustees of Sri Kothandaramaswamy Temple. He also serves as President of the Suburban Society, which manages multiple educational institutions.
In addition, he is a Trustee of Avinashilingam Education Trust, a Managing Committee Member of Vidya Vikasini School, and serves on the Ethics Committees of GKNM Hospital and Sankara Eye Hospital, Coimbatore.