Ratna Ka Khera is a village in Rashmi tehsil in district of Chittaurgarh, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Ratna Ka Khera was 134 which includes 67 males and 67 females. Ratna Ka Khera covers 105 ha area. Pincode of Ratna Ka Khera is 312601.