Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Chennai (84% of total searches to Tamil Nadu). The next most popular destinations are Ooty (6%) and Coimbatore (5%). Searches for hotels in Madurai (5%) are also popular.
KAYAK users have found double rooms in Tamil Nadu for as cheap as $6 (Chennai) in the last 3 days. The average price is $72.