Birnagar Raghunath Milik is a village in Banmankhi tehsil in district of Purnia, Bihar, India. As per the data provided by Census of India in 2011, total population of Birnagar Raghunath Milik was 427 which includes 220 males and 207 females. Birnagar Raghunath Milik covers 9 ha area. Pincode of Birnagar Raghunath Milik is N/A.