Jambadai is a village in Sankarapuram tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Jambadai was 2,752 which includes 1,406 males and 1,346 females. Jambadai covers 762.43 ha area. Pincode of Jambadai is 605802.