Pettai is a village in Thirunallar Taluk tehsil in district of Karaikal, Puducherry, India. As per the data provided by Census of India in 2011, total population of Pettai was 3,192 which includes 1,566 males and 1,626 females. Pettai covers 487.19 ha area. Pincode of Pettai is 609607.