A popular hill station in Andhra Pradesh is:

Araku Valley
Munnar
Ooty
Mahabaleshwar

The correct answer is Araku Valley.

Araku Valley is a hill station in the Eastern Ghats of Andhra Pradesh, India. It is located in the Visakhapatnam district, about 120 kilometers from Visakhapatnam city. The valley is known for its scenic beauty, with rolling hills, lush forests, and waterfalls. It is also a popular tourist destination, with a number of hotels, resorts, and restaurants.

The other options are incorrect.

  • Munnar is a hill station in the Western Ghats of Kerala, India. It is located in the Idukki district, about 150 kilometers from Kochi city. The hill station is known for its tea plantations, coffee plantations, and beautiful scenery.
  • Ooty is a hill station in the Nilgiri Hills of Tamil Nadu, India. It is located in the Ooty district, about 260 kilometers from Coimbatore city. The hill station is known for its cool climate, beautiful scenery, and colonial architecture.
  • Mahabaleshwar is a hill station in the Western Ghats of Maharashtra, India. It is located in the Satara district, about 200 kilometers from Pune city. The hill station is known for its temples, waterfalls, and scenic beauty.