Explanations:Sikkim, a small Himalayan state, became a part of the Indian Union on May 16, 1975. This event is a significant milestone in the history of both Sikkim and India. To understand the context and the process of Sikkim's integration, it is essential to delve into the historical background and the political events leading up to this date.
Sikkim was a protectorate of India from 1950 to 1975. During this period, Sikkim had a unique status where it was a protectorate under the Indian government but retained a degree of autonomy. The Chogyal, a hereditary ruler, was the head of state, and the government was responsible for internal administration, while India handled defense, external affairs, and communications.
The political landscape in Sikkim began to change in the 1970s. There was growing demand for democratic reforms and greater integration with India. In 1973, a referendum was held to determine the future of Sikkim. The referendum resulted in a significant majority voting in favor of Sikkim becoming a state of India. Following the referendum, the Indian Parliament passed the 35th Amendment to the Constitution of India, which officially made Sikkim a state of India on May 16, 1975.
The integration of Sikkim into the Indian Union was a complex process involving political negotiations, constitutional amendments, and the will of the people. The date of May 16, 1975, is significant as it marks the formal transition of Sikkim from a protectorate to a full-fledged state of India. This event is an important part of Indian history and is often tested in various competitive examinations.
It is crucial to remember that the date of May 16, 1975, is the correct date for Sikkim's integration into the Indian Union. Other dates mentioned in the options are not related to this historical event. For instance, May 9, 1890, is not a significant date in the context of Sikkim's integration, and the dates in the 1990s and 2000s are much later and do not pertain to this historical milestone.
Understanding the historical context and the political processes involved in Sikkim's integration into the Indian Union is essential for comprehending the significance of this event in the broader context of Indian history. This knowledge is particularly relevant for students preparing for competitive examinations such as the UPSC, SSC, and State PSC, where questions on Indian history and state integration are common.