Explanation:

North of Arunachal Pradesh

The McMahon Line is the demarcation line between the Tibetan region of China and the North-east region of India proposed by British colonial administrator Henry McMahon at the 1914 Simla Convention signed between British and Tibetan representatives.It is currently the effective boundary between China and India, although its legal status is disputed by the Chinese government.The line is named after Henry McMahon, foreign secretary of British India and the chief negotiator of the convention at Simla. It was signed by McMahon and Lonchen Satra on behalf of the Tibetan Government.