Kheraj Mardan Singh is a village in Keotiranway tehsil in district of Darbhanga, Bihar, India. As per the data provided by Census of India in 2011, total population of Kheraj Mardan Singh was 3,847 which includes 1,961 males and 1,886 females. Kheraj Mardan Singh covers 161 ha area. Pincode of Kheraj Mardan Singh is N/A.