What is the significance of "Provided that no such order shall be made after the expiry of two years from the appointed day" mentioned in clause (o)?
The significance of "Provided that no such order shall be made after the expiry of two years from the appointed day" mentioned in clause (o) is to establish a time limit for making any adaptations, modifications or orders under Article 371F. This means that after the period of two years from the appointed day, the President will not have the authority to make any further changes or amendments related to the State of Sikkim as per this article.