Siswa Sob is a village in Kalyanpur tehsil in district of Purba Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Siswa Sob was 3,593 which includes 1,837 males and 1,756 females. Siswa Sob covers 205 ha area. Pincode of Siswa Sob is 845413.