Siar Kalan is a village in Ghanghata tehsil in district of Sant Kabir Nagar, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Siar Kalan was 924 which includes 489 males and 435 females. Siar Kalan covers 106.4 ha area. Pincode of Siar Kalan is N/A.