Seemandini is currently serving as the President of Kerala Federation of Women Lawyers and was the President of All India Federation of Women Lawyers and founder member of the federation. Seemandini was born in Thrissur district, Kerala, India. She enrolled as an advocate in 1976.She is mainly practicing in Constitutional matters. She is legal adviser to many of the educational institutions in Kerala and Bangalore. She was designated as the Senior Advocate of High Court of Kerala in 2006 . Seemandini is the secretary of Sree Narayana Sevika Samajam, a nursing home for the elderly and an orphanage and President of Sree Dharma Paripalana Yogam, Pachalam branch.