Gadai Maharajpur is a village in Amdabad tehsil in district of Katihar, Bihar, India. As per the data provided by Census of India in 2011, total population of Gadai Maharajpur was 1,100 which includes 585 males and 515 females. Gadai Maharajpur covers N/A area. Pincode of Gadai Maharajpur is N/A.