Diwandih is a village in Korha tehsil in district of Katihar, Bihar, India. As per the data provided by Census of India in 2011, total population of Diwandih was 2,848 which includes 1,526 males and 1,322 females. Diwandih covers 129.02 ha area. Pincode of Diwandih is 854104.