Kewatna is a village in Ghoghardiha tehsil in district of Madhubani, Bihar, India. As per the data provided by Census of India in 2011, total population of Kewatna was 5,849 which includes 3,021 males and 2,828 females. Kewatna covers 439.1 ha area. Pincode of Kewatna is N/A.