Hill stations in Tamil Nadu, like Ooty and Kodaikanal, are popular for:

Wildlife safaris
Nature walks and trekking
Birdwatching
All of the above

The correct answer is: d) All of the above.

Hill stations in Tamil Nadu, like Ooty and Kodaikanal, are popular for a variety of activities, including wildlife safaris, nature walks and trekking, and birdwatching.

Ooty is a popular hill station in the Nilgiris district of Tamil Nadu. It is known for its cool climate, beautiful scenery, and a variety of tourist attractions. Ooty is also a popular destination for wildlife safaris. The Nilgiris National Park is home to a variety of wildlife, including tigers, leopards, elephants, and deer.

Kodaikanal is another popular hill station in Tamil Nadu. It is located in the Palani Hills and is known for its beautiful lakes, waterfalls, and forests. Kodaikanal is also a popular destination for nature walks and trekking. There are a number of well-maintained trails that wind through the forests and mountains of Kodaikanal.

Birdwatching is also a popular activity in hill stations in Tamil Nadu. The Nilgiris and Palani Hills are home to a variety of birds, including hornbills, peacocks, and kingfishers. There are a number of birdwatching spots in these hills, where visitors can observe these birds in their natural habitat.