The correct answer is option 2, Sikkim Himalaya.
Jelep La pass is a mountain pass situated in the eastern part of the Himalayas. It connects Sikkim in India with Tibet in China. The pass is located at an elevation of about 4,267 meters (13,999 feet) above sea level.
Option 1, Punjab Himalaya, is incorrect. Jelep La pass is not located in the Punjab Himalaya region, which is in the western part of the Himalayan range.
Option 3, Kurnaon Himalaya, is also incorrect. Jelep La pass is not situated in the Kurnaon Himalaya region either. The Kurnaon Himalaya region is located in the western part of the Indian state of Uttarakhand.
Option 4, Kashmir Himalaya, is incorrect as well. Jelep La pass is not located in the Kashmir Himalaya region. The world-famous Kashmir Valley is situated in the Kashmir Himalayas, but Jelep La is in Sikkim, which is in the eastern part of the Himalayas.
In conclusion, Jelep La pass is located in the Sikkim Himalaya region.