Kulasekaranallur is a village in Ottapidaram tehsil in district of Thoothukkudi, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kulasekaranallur was 3,187 which includes 1,582 males and 1,605 females. Kulasekaranallur covers 1541.59 ha area. Pincode of Kulasekaranallur is 628401.