The correct answer is (d) Almora.
Almora is a district in the Kumaon division of Uttarakhand, India. It is the largest district in the state by area, and is bordered by the districts of Nainital, Pithoragarh, Champawat, Bageshwar, and Rudraprayag. The district is home to the Kumaon Himalayas, and is a popular tourist destination.
Uttarkashi is a district in the Garhwal division of Uttarakhand, India. It is the northernmost district in the state, and is bordered by the states of Himachal Pradesh and China. The district is home to the Kedarnath and Badrinath temples, two of the most important Hindu pilgrimage sites.
Chamoli is a district in the Garhwal division of Uttarakhand, India. It is the second largest district in the state by area, and is bordered by the districts of Uttarkashi, Rudraprayag, Tehri Garhwal, Pauri Garhwal, and Almora. The district is home to the Nanda Devi National Park, the largest national park in India.
Pithoragarh is a district in the Kumaon division of Uttarakhand, India. It is the westernmost district in the state, and is bordered by the states of Himachal Pradesh and Nepal. The district is home to the Nanda Devi Biosphere Reserve, a UNESCO World Heritage Site.
Therefore, the only district that is not situated along the International boundary is Almora.