Original sentence: India has seven major mountain ranges having peaks of over 1,000&nbs['metres.The Himalaya are one of the world's youngest mountain range, and extend almost uninterrupted for a distance of 2,500 km, covering an area of 500,000 km²
Edited sentence: India has seven major mountain ranges having peaks of over 1,000 metres.The Himalayas are the world's youngest mountain range and extend almost uninterrupted for a distance of 2,500 km, covering an area of 500,000 km²