Introduction:
India is home to several fold mountain ranges that have been formed due to the collision of tectonic plates. These fold mountains are characterized by long ridges and steep slopes, and they play a significant role in shaping the geography, climate, and ecosystems of the region. Let's explore five prominent examples of fold mountains in India.

Himalayas:
- The Himalayas are the highest and most well-known fold mountain range in India. It stretches across several countries, including India, Nepal, Bhutan, and Pakistan.
- This majestic mountain range was formed due to the collision between the Indian and Eurasian tectonic plates.
- The Himalayas are known for their towering peaks, including Mount Everest, the highest peak in the world. They have a profound impact on the climate of the Indian subcontinent, acting as a barrier to the cold winds from Central Asia and influencing the monsoon patterns.

Western Ghats:
- The Western Ghats are a UNESCO World Heritage Site and a prominent fold mountain range along the western coast of India.
- These mountains run parallel to the Arabian Sea and traverse several states, including Maharashtra, Goa, Karnataka, Tamil Nadu, and Kerala.
- The Western Ghats are known for their rich biodiversity, with numerous endemic species of flora and fauna. They receive heavy rainfall and have lush forests, making them an important ecological hotspot.

Eastern Ghats:
- The Eastern Ghats are a series of discontinuous mountain ranges along the eastern coast of India, spanning states such as Odisha, Andhra Pradesh, and Tamil Nadu.
- These mountains are relatively lower in altitude compared to the Western Ghats but still have significant geological and ecological importance.
- The Eastern Ghats are characterized by rolling hills, plateaus, and deep valleys. They are known for their scenic beauty, waterfalls, and diverse flora and fauna.

Aravalli Range:
- The Aravalli Range is one of the oldest fold mountain ranges in India, located in the northwestern part of the country, spanning the states of Rajasthan and Haryana.
- These mountains were formed during the Proterozoic era and are rich in mineral resources, including copper, zinc, and marble.
- The Aravalli Range has several hill stations and wildlife sanctuaries, attracting tourists and nature enthusiasts.

Vindhya Range:
- The Vindhya Range is a series of hills and plateaus located in central India, spanning across Madhya Pradesh, Uttar Pradesh, and Chhattisgarh.
- It separates the Indo-Gangetic plains from the Deccan Plateau and acts as a water divide between the Ganges and Narmada river systems.
- The Vindhya Range has significant historical and cultural importance, with several ancient temples, forts, and archaeological sites.

These fold mountain ranges in India not only provide breathtaking landscapes but also contribute to the geological, ecological, and cultural diversity of the country.

I know only one..that is aravali range..