Gangahara Kalan is a village in Lalganj tehsil in district of Mirzapur, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Gangahara Kalan was 1,805 which includes 949 males and 856 females. Gangahara Kalan covers 184.57 ha area. Pincode of Gangahara Kalan is 231211.