Kalkasa is a village in Dongargarh tehsil in district of Rajnandgaon, Chhattisgarh, India. As per the data provided by Census of India in 2011, total population of Kalkasa was 605 which includes 300 males and 305 females. Kalkasa covers 159.91 ha area. Pincode of Kalkasa is 491445.