Sialdaha Pratham Khanda is a village in Cooch Behar I tehsil in district of Koch Bihar, West Bengal, India. As per the data provided by Census of India in 2011, total population of Sialdaha Pratham Khanda was 1,405 which includes 753 males and 652 females. Sialdaha Pratham Khanda covers 112.92 ha area. Pincode of Sialdaha Pratham Khanda is 736134.