For a long time, the contradictions between China and India on the border issue have been escalating, and the Doklam area has become the focus of dispute. On 18 June 2017, Indian border guards illegally crossed the border into Doklam, sparking a standoff. This is not the first incursion, as India has repeatedly provoked in the Doklam area, triggering rash conflicts.
Indian"Seven inches"The mystery.
The cause is only the normal road construction carried out by our country in Doklam and has nothing to do with India. India, however, has frequently intervened because of the strategic importance of the Siliguri corridor. This corridor connects northeastern and central India and is only 20 kilometres narrowest at its narrowest point, and is known as India's"Seven inches", is its choke point.
The origin of the Siliguri Corridor.
The Siliguri Corridor was not a natural formation, but was the result of the division of India and Pakistan between India during the British colonial period. After India's annexation of Sikkim, Sikkim became the Sino-Indian border, exposing the Siliguri Corridor to our vision.
History of Sikkim.
Sikkim was originally part of our territory, and was incorporated into the British colony at the end of the Qing Dynasty due to management difficulties. India continued to occupy Sikkim after independence, which was geographically critical despite the underdeveloped local economy. India has always had the ambition to annex Sikkim, but it has not succeeded.
Crisis erupts: India's brutal repression of Sikkim.
The people of Sikkim demonstrated against Indian control, but were brutally suppressed by the Indian army, resulting in the death of tens of thousands of Sikkimes. In 1975, India completely annexed Sikkim, making it disappear from the map. However, this move turned the Sino-Indian border into a Sino-Indian border, triggering a new round of contradictions.
India's internal and external troubles.
India's control over Sikkim did not bring harmony, but exacerbated the problems in the north-eastern region. The Siliguri Corridor has become a key link between the Indian mainland and the Northeast, and if it is lost, India will lose the Northeast. India** is deeply disturbed by the borders of China, Bhutan, Myanmar and Bangladesh in the northeast.
Economic woes in the Northeast.
Northeast India is geographically lagging behind and has not taken measures to promote economic development. The connection with the Indian mainland is only through the Siliguri Corridor, and India's economic repression of the region has led to a widening of the economic gap between the two places, which has exacerbated the problem.
India's wariness of Doklam.
The Doklam region is Chinese territory, but it has become a problem for India. The geographical location makes it an ideal location to observe the Siliguri corridor. China's road construction in the region has caused tension in India, which fears that our country could cut off the Siliguri corridor.
Epilogue. 
Indian"Seven inches"The problem stems from the forcible annexation of Sikkim, which has led to the increasingly complex border issue between China and India. The geographical importance of the Siliguri corridor has made India anxious, and the internal problems are a headache for India. With the development of China-India relations, it is urgent to solve this problem.
Comment: Indian"Seven inches"A delicate game with Sino-Indian relations.
Indian"Seven inches"The issue is an important node in the Sino-Indian border dispute, showing the delicate and complex game in international relations. The article profoundly reveals India's strategic tensions over the Siliguri corridor and the internal and external problems caused by its improper control over Sikkim.
First, the article vividly outlines the geographical importance of the Siliguri corridor. As the choke point of India, this narrow corridor not only connects the northeast and central parts of India, but is also allegorical to India"Seven inches", making it fond of the region. This geostrategic significance has made India's grip on the Siliguri Corridor unbreakable and has led to constant provocations over the Sino-Indian border issue.
Secondly, the article restores in detail the twists and turns of Sikkim's history. Sikkim was originally part of our territory, but it was annexed during the British colonial period and continued to occupy it after India's independence. The brutal control of Sikkim led to a revolt by the people of the region, and the bloody repression of India** became a historical scar that will not be erased. In this process, India has disregarded the international community and resorted to force, which has exacerbated internal and external contradictions.
Third, the article points out that India's internal problems and economic repression in the northeast region have made India face serious challenges in maintaining domestic unity. The Northeast is politically and economically disadvantaged by its disconnection from the Indian mainland. This has not only plunged India** into a vicious circle, but also deepened India's tensions over the Siliguri corridor.
Finally, the article provides an in-depth analysis of the problems in the Doklam area. The Doklam region is located in China's Shigatse region and poses a direct threat to India. China's road construction in Doklam has aroused high alarm in India and made India** unnecessarily anxious about Sino-Indian relations. Such speculation and concern are a major obstacle in Sino-Indian relations.
In general, Indian"Seven inches"The issue is both a complex manifestation of geopolitics and a product of the collision of different cultural and historical contexts in international relations. China and India should make joint efforts to resolve this issue on the basis of peace talks on an equal footing, so as to promote peace and stability in the region. It will also be an important opportunity for practical cooperation between China and India, bringing a more prosperous future to the two countries and the region.
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