Explanation:

- Option 1: Northernmost Range

- This refers to the Great Himalayas or Himadri. It's the highest, northernmost part of the Himalayas.

- Option 2: Inner Himalayas

- Generally, this isn't a commonly used term for any particular range but might refer to sections within the main Himalayan range.

- Option 3: Lesser Himalayas

- The correct term for the Himachal range.

- Known as the Lesser Himalayas, this range lies between the Shivalik range and the Great Himalayas.

- Option 4: Outermost Range

- Refers to the Shivalik or Sub-Himalayan range, which is the southernmost and outermost range of the Himalayas.