Sivagangai and Ramanathapuram districts in Tamil Nadu have _____ type of soil.
The red soil is found predominantly in Sivagangai, Virudhunagar, Ramanathapuram, Madurai, Dindigul, Nagapattinam, Thoothukudi, Tirunelveli and the Nilgiris districts in Tamil Nadu. The red or brown colour of the soil is attributed to the diffusion of iron content.