Vadagarai is a village in Periyakulam tehsil in district of Theni, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Vadagarai was 6,367 which includes 3,163 males and 3,204 females. Vadagarai covers 2292.41 ha area. Pincode of Vadagarai is 625601.