Kelgaon is a village in Sillod tehsil in district of Aurangabad, Bihar, India. As per the data provided by Census of India in 2011, total population of Kelgaon was 2,956 which includes 1,511 males and 1,445 females. Kelgaon covers 1932.29 ha area. Pincode of Kelgaon is 431112.