Dharahara Kalan is a village in Fatehpur tehsil in district of Gaya, Bihar, India. As per the data provided by Census of India in 2011, total population of Dharahara Kalan was 6,634 which includes 3,413 males and 3,221 females. Dharahara Kalan covers 313 ha area. Pincode of Dharahara Kalan is 824232.