Mudanai is a village in Virudhachalam tehsil in district of Cuddalore, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Mudanai was 6,399 which includes 3,263 males and 3,136 females. Mudanai covers 1394.18 ha area. Pincode of Mudanai is 607804.