The Himalayas are the highest mountain range in the world and they separate the Indus River Valley from the Ganges River Valley.

The Khyber Pass is a mountain pass located in Pakistan and it was used by Alexander the Great to invade India in 326 BC.

The Himalayas are often referred to as the 'Roof of the World' due to their immense height and the presence of several peaks that are over 8,000 meters (26,247 feet) above sea level.

Zoji La is a high mountain pass located in the Himalayas and it connects the Kashmir Valley to the Tibetan Plateau.

The Western Ghats are a mountain range that runs along the western coast of India and they are known for their scenic beauty and biodiversity.

The Karakoram Pass is a high mountain pass located in the Karakoram Range and it was used by Chinese pilgrims to reach India during the Tang Dynasty.

The Eastern Ghats are a mountain range that runs along the eastern coast of India and they are known for their scenic beauty and mineral resources.

Rohtang Pass is a high mountain pass located in the Himalayas and it connects the Kullu Valley to the Spiti Valley.

The Nilgiri Hills are a mountain range located in southern India and they are known for their scenic beauty and tea plantations.

Banihal Pass is a high mountain pass located in the Himalayas and it connects the Chenab Valley to the Kashmir Valley.

The Cardamom Hills are a mountain range located in southern India and they are known for their scenic beauty and cardamom plantations.

Kunzum Pass is a high mountain pass located in the Himalayas and it connects the Sutlej Valley to the Spiti Valley.

The Anaimalai Hills are a mountain range located in southern India and they are known for their scenic beauty and biodiversity.

Rohtang Pass is a high mountain pass located in the Himalayas and it connects the Beas Valley to the Kullu Valley.

The Shevaroy Hills are a mountain range located in southern India and they are known for their scenic beauty and coffee plantations.