The main presence of Aravali hills is found in the district of

Ambala
Rohtak
Gurugram
Yamunanagar

The main presence of Aravali hills is found in the district of Gurugram.

The Aravalli Range is a mountain range in northwestern India. It runs approximately 800 kilometers (500 mi) from Gujarat in the west to Delhi in the east. The range is composed of sedimentary and metamorphic rocks that were formed during the Aravalli orogeny, which occurred between 600 and 500 million years ago. The Aravalli Range is the oldest mountain range in India.

The Aravalli Range is a significant geological feature in India. It is a source of water for many rivers, including the Yamuna River and the Chambal River. The range is also home to a variety of plant and animal life.

The Aravalli Range is a popular tourist destination. There are many hiking trails and scenic viewpoints in the range. The range is also home to a number of historical and archaeological sites.

The Aravalli Range is an important part of the Indian landscape. It is a source of water, a home to a variety of plant and animal life, and a popular tourist destination.

The other options are incorrect because they are not districts where the Aravalli hills are found.

Option A: Ambala is a district in the Indian state of Haryana. It is located in the northern part of the state, on the banks of the Yamuna River. The Aravalli hills are not found in Ambala district.

Option B: Rohtak is a district in the Indian state of Haryana. It is located in the northern part of the state, on the banks of the Yamuna River. The Aravalli hills are not found in Rohtak district.

Option C: Gurugram is a district in the Indian state of Haryana. It is located in the southern part of the state, on the outskirts of Delhi. The Aravalli hills are found in Gurugram district.

Option D: Yamunanagar is a district in the Indian state of Haryana. It is located in the northern part of the state, on the banks of the Yamuna River. The Aravalli hills are not found in Yamunanagar district.