Explanation

Shivalik is called the Outer-Himalayas

it is in the northern parts of the Indian Subcontinent

Shivalik covered the following states

• Himachal Pradesh 
• Uttarakhand Punjab 
• Haryana 
• UP

Additional information:

Himadri is called as Great or Inner Himalaya

Himachal is called the Middle or Lesser Himalayas

Sahyadri is on the western edges of the Deccan Plateau region