Solution:
Pakistan and Afghanistan are two of India's seven neighbours to the northwest.Gujarat, Rajasthan, Punjab, and the union region of Jammu & Kashmir share a border with Pakistan. The union territories of Jammu & Kashmir and Ladakh share borders with Afghanistan. So, Assertion(A) is correctChina, Nepal, and Bhutan border India in the north, while Bangladesh and Myanmar border it in the east. Arunachal Pradesh, Sikkim, Uttarakhand, Himachal Pradesh, and the union region of Ladakh share a border with China. Uttarakhand, Uttar Pradesh, Bihar, and Sikkim are the states that share a border with Nepal. Sikkim, Assam, and Arunachal Pradesh are the states that share a border with Bhutan. West Bengal, Assam, Meghalaya, and Tripura are the states that share a border with Bangladesh. Nagaland, Manipur, and Mizoram are the states that share a border with Myanmar.So, Reason(R) is false.