Chak Biswas is a village in Dalsinghsarai tehsil in district of Samastipur, Bihar, India. As per the data provided by Census of India in 2011, total population of Chak Biswas was 633 which includes 328 males and 305 females. Chak Biswas covers 22 ha area. Pincode of Chak Biswas is N/A.