Melvalai is a village in Tirukkoyilur tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Melvalai was 2,165 which includes 1,097 males and 1,068 females. Melvalai covers 268.37 ha area. Pincode of Melvalai is 605701.