Explanation:

- The Spiti River originates in the Himalayas, specifically in Himachal Pradesh, India.

- Option 1: Kunjam Pass

- Correct!

- The Spiti River starts near Kunzum Pass, which is at an elevation of about 4,551 meters.

- Option 2: Tandi

- Tandi is where the Chandra River meets the Bhaga River to form the Chenab River, not the Spiti River.

- Option 3: Tabo

- Tabo is a village in Spiti Valley known for its ancient monastery, but not the origin of the Spiti River.

- Option 4: Gramfu

- Gramfu is another location in the region but is not associated with the river's origin.