Dih Lahi is a village in Hanumannagar tehsil in district of Darbhanga, Bihar, India. As per the data provided by Census of India in 2011, total population of Dih Lahi was 12,136 which includes 6,417 males and 5,719 females. Dih Lahi covers 1097 ha area. Pincode of Dih Lahi is 846001.