Melnagar is a village in Arani tehsil in district of Tiruvannamalai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Melnagar was 7,266 which includes 3,626 males and 3,640 females. Melnagar covers 885.76 ha area. Pincode of Melnagar is 632315.