The correct answer is Kullu.
Kullu is a district in the Indian state of Himachal Pradesh. It is known for its apple orchards, which are located in the lower hills of the district. The apple orchards are a major source of income for the people of Kullu. The apples grown in Kullu are of high quality and are exported to other parts of India and the world.
Shimla is the capital of Himachal Pradesh. It is a popular tourist destination and is known for its colonial architecture. Shimla does not have any apple orchards.
Kinnaur is a district in the eastern part of Himachal Pradesh. It is a mountainous district and is known for its natural beauty. Kinnaur does not have any apple orchards.
Chamba is a district in the western part of Himachal Pradesh. It is a hilly district and is known for its temples and forts. Chamba does not have any apple orchards.
The apple orchards in Kullu are located in the lower hills of the district. The climate in the lower hills of Kullu is suitable for the cultivation of apples. The apples grown in Kullu are of high quality and are exported to other parts of India and the world. The apple orchards are a major source of income for the people of Kullu.