Sundargachhi Milik is a village in Kadwa tehsil in district of Katihar, Bihar, India. As per the data provided by Census of India in 2011, total population of Sundargachhi Milik was 523 which includes 266 males and 257 females. Sundargachhi Milik covers 11 ha area. Pincode of Sundargachhi Milik is 855113.