50 years have passed since Sikkim became a part of the Indian Union, which is a significant constitutional and political milestone. The year 2025 will recognize the achievement of this milestone. In order to transform Sikkim from a protectorate administered by a monarchy into the 22nd state of India, a number of constitutional modifications and legal procedures were implemented, which ultimately resulted in the formation of its distinctive status. In this essay, the constitutional path of Sikkim is analyzed through the perspective of essay 2, Article 371F, as well as the 35th and 36th Amendments. In addition to providing a simplified and all-encompassing explanation of the legal structure that made it possible for Sikkim to become a part of the Indian federation, it also emphasizes the ongoing significance of these provisions in ensuring that Sikkim maintains its unique character inside the Indian constitution.