Keelnedumbur is a village in Kattumannarkoil tehsil in district of Cuddalore, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Keelnedumbur was 486 which includes 232 males and 254 females. Keelnedumbur covers 113.69 ha area. Pincode of Keelnedumbur is 608302.