Ponbethy 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 Ponbethy was 2,604 which includes 1,289 males and 1,315 females. Ponbethy covers 523.74 ha area. Pincode of Ponbethy is 609603.