The correct answer is (c). Tunjan Pass is located in Chamoli district of Uttarakhand, India. It is a high mountain pass in the Garhwal Himalayas, connecting the villages of Tunjan and Dharchula. The pass is at an elevation of 4,400 meters (14,400 feet) and is a popular trekking destination.
Borasu Pass is located in Uttarkashi district of Uttarakhand, India. It is a high mountain pass in the Garhwal Himalayas, connecting the villages of Borasu and Gangotri. The pass is at an elevation of 4,800 meters (15,700 feet) and is a popular trekking destination.
Barahoti Pass is located in Uttarkashi district of Uttarakhand, India. It is a high mountain pass in the Garhwal Himalayas, connecting the villages of Barahoti and Gangotri. The pass is at an elevation of 5,000 meters (16,400 feet) and is a popular trekking destination.
Lamkhaga Pass is located in Chamoli district of Uttarakhand, India. It is a high mountain pass in the Garhwal Himalayas, connecting the villages of Lamkhaga and Darma. The pass is at an elevation of 5,100 meters (16,700 feet) and is a popular trekking destination.