A wildlife sanctuary known for tigers in Tamil Nadu is:

Mudumalai National Park
Periyar National Park
Bandipur National Park
Kaziranga National Park

The correct answer is Mudumalai National Park.

Mudumalai National Park is a national park in the Nilgiri Biosphere Reserve in the Western Ghats of India. It is located in the districts of Nilgiris, Dindigul, and Coimbatore in the state of Tamil Nadu. The park is contiguous with Bandipur National Park in Karnataka and Wayanad Wildlife Sanctuary in Kerala.

Mudumalai National Park is known for its tigers, elephants, and other wildlife. It is also a popular destination for trekking, bird watching, and photography.

The park was established in 1955 as a wildlife sanctuary. It was declared a national park in 1973. The park covers an area of 321 square kilometers (124 square miles).

The climate of Mudumalai National Park is tropical. The average temperature ranges from 15 degrees Celsius (59 degrees Fahrenheit) in winter to 30 degrees Celsius (86 degrees Fahrenheit) in summer. The park receives an average annual rainfall of 1,000 millimeters (39 inches).

The vegetation of Mudumalai National Park is a mix of tropical evergreen forests, deciduous forests, and grasslands. The park is home to a variety of plant species, including teak, rosewood, sandalwood, and bamboo.

The wildlife of Mudumalai National Park is diverse. The park is home to tigers, elephants, leopards, sloth bears, gaur, sambar, chital, and a variety of other mammals. The park is also home to a variety of birds, including hornbills, peacocks, and kingfishers.

Mudumalai National Park is a popular tourist destination. The park offers a variety of activities, including trekking, bird watching, and photography. The park is also home to a number of resorts and hotels.