Bhajnaha is a village in Laukaha tehsil in district of Madhubani, Bihar, India. As per the data provided by Census of India in 2011, total population of Bhajnaha was 3,005 which includes 1,572 males and 1,433 females. Bhajnaha covers 504.66 ha area. Pincode of Bhajnaha is 847421.