Through a video-conference facility from here, Jayalalithaa unveiled the memorial set up in Nagercoil at a cost of Rs 48.70 lakh, an official release said.
Nesamani, a prominent local figure, among the locals also served as Municipal Chairman in Nagercoil District and as the Member of Parliament, it said.
Jayalalithaa issued orders to celebrate the day of Kanyakumari District's merger with Tamil Nadu in memory of Nesamani as a government function, it said.
Labour Minister K T Pachamal, Information and Special Programme Implementation Minister K T Rajendhra Bhalaji and senior government officials participated in the function, the release added.