Nanjai Edayar is a village in Paramathi Velur tehsil in district of Namakkal, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Nanjai Edayar was 3,690 which includes 1,832 males and 1,858 females. Nanjai Edayar covers 330.89 ha area. Pincode of Nanjai Edayar is 638182.