Udalkachhar is a village in Manendragarh tehsil in district of Koriya, Chhattisgarh, India. As per the data provided by Census of India in 2011, total population of Udalkachhar was 210 which includes 109 males and 101 females. Udalkachhar covers 117.63 ha area. Pincode of Udalkachhar is 497442.