Kachanpur Agthu is a village in Belaganj tehsil in district of Gaya, Bihar, India. As per the data provided by Census of India in 2011, total population of Kachanpur Agthu was 6,508 which includes 3,329 males and 3,179 females. Kachanpur Agthu covers 365 ha area. Pincode of Kachanpur Agthu is 804403.