Sirsia Kalan is a village in Adapur tehsil in district of Purba Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Sirsia Kalan was 7,278 which includes 3,736 males and 3,542 females. Sirsia Kalan covers 404.92 ha area. Pincode of Sirsia Kalan is 845304.