Are there any specific dates mentioned in this paragraph related to its enforcement or amendments?
No, there are no specific dates mentioned in this paragraph related to its enforcement or amendments. However, the paragraph does reference two pieces of legislation that have been amended, the North-Eastern Areas (Reorganisation) Act, 1971 (81 of 1971) and the Assam Reorganisation (Meghalaya) Act, 1969 (55 of 1969).