Nelkattum Seval is a village in Sivagiri tehsil in district of Tirunelveli, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Nelkattum Seval was 6,493 which includes 3,077 males and 3,416 females. Nelkattum Seval covers 1991.69 ha area. Pincode of Nelkattum Seval is 627758.