There are eight major mountain ranges in India that have peaks over 1000 meters. These mountain ranges are spread across different parts of the country and contribute to its diverse geographical features.

1. The Himalayas:
The Himalayas are the highest and most extensive mountain range in India. They stretch across the northern part of the country, forming a natural border with neighboring countries like Nepal, Bhutan, and China. The Himalayas contain some of the highest peaks in the world, including Mount Everest, Kanchenjunga, and Nanda Devi.

2. The Eastern Ghats:
The Eastern Ghats are a range of mountains that run parallel to the eastern coast of India. They extend from Odisha in the north to Tamil Nadu in the south. Though not as high as the Himalayas, the Eastern Ghats still have several peaks over 1000 meters, such as Mahendragiri and Arma Konda.

3. The Western Ghats:
The Western Ghats are another prominent mountain range in India, running parallel to the western coast. They span several states, including Maharashtra, Goa, Karnataka, Tamil Nadu, and Kerala. The Western Ghats are known for their rich biodiversity and have peaks like Anamudi, which is the highest peak in South India.

4. The Aravalli Range:
The Aravalli Range is a range of mountains that stretches across Rajasthan, Gujarat, Haryana, and Delhi. Although not as high as the Himalayas or the Western Ghats, the Aravalli Range has several peaks above 1000 meters, including Guru Shikhar, which is the highest peak in the range.

5. The Satpura Range:
The Satpura Range is located in central India, spanning across parts of Madhya Pradesh, Maharashtra, and Chhattisgarh. This range has peaks like Dhupgarh, which is the highest point in Madhya Pradesh, and Salher, which is the second-highest peak in Maharashtra.

6. The Vindhya Range:
The Vindhya Range is situated in central India and runs across the states of Madhya Pradesh, Uttar Pradesh, and Bihar. While it may not have extremely high peaks, the Vindhya Range has several hills and mountains that exceed 1000 meters.

7. The Purvanchal Range:
The Purvanchal Range, also known as the Eastern Hills, is located in northeastern India. It stretches across states like Assam, Meghalaya, Nagaland, Manipur, and Mizoram. This range has peaks like Shillong Peak and Phawngpui, both of which are over 1000 meters.

8. The Garo-Khasi-Jaintia Hills:
The Garo-Khasi-Jaintia Hills are a group of hills located in Meghalaya, forming part of the Eastern Hills. These hills are known for their scenic beauty and have several peaks over 1000 meters, such as Nokrek Peak and Shillong Peak.

In conclusion, India has a total of eight major mountain ranges with peaks over 1000 meters. These mountain ranges contribute to the country's diverse geographical and ecological features.