Kapraul Siroman is a village in Riga tehsil in district of Sitamarhi, Bihar, India. As per the data provided by Census of India in 2011, total population of Kapraul Siroman was 5,924 which includes 3,104 males and 2,820 females. Kapraul Siroman covers 242 ha area. Pincode of Kapraul Siroman is N/A.