Kewatsa is a village in Singhwara tehsil in district of Darbhanga, Bihar, India. As per the data provided by Census of India in 2011, total population of Kewatsa was 3,339 which includes 1,731 males and 1,608 females. Kewatsa covers 134 ha area. Pincode of Kewatsa is N/A.