Neivanai is a village in Ulundurpettai tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Neivanai was 2,405 which includes 1,217 males and 1,188 females. Neivanai covers 511.57 ha area. Pincode of Neivanai is 607201.