Ichak Kalan is a village in Simaria tehsil in district of Chatra, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Ichak Kalan was 1,604 which includes 842 males and 762 females. Ichak Kalan covers 530 ha area. Pincode of Ichak Kalan is 825103.