Tamil Nadu's wealth of flora and fauna lies in the _____ regions.
Tamil Nadu has a wealth of flora and fauna in the hilly regions and some of its major wildlife sanctuaries like Mudumalai and Anaimalai are situated on the hills of the Western ghats which is a habitat of elephants, tigers, bisons and a variety of monkey and deer. Of the 3000 and more plant species found in Tamil Nadu, a majority is found in the mixed deciduous forest of this region.