What major mountain chain does 90 E pass through?

The 90°E meridian passes through the Himalayas, one of the major mountain chains in the world. This mountain range, which includes some of the highest peaks on Earth, such as Mount Everest, stretches across five countries: India, Nepal, Bhutan, China, and Pakistan. The Himalayas play a crucial role in influencing the climate and ecology of the surrounding regions.