What changes were made to Subs. by the North-Eastern Areas (Reorganisation) Act, 1971 in relation to "the Government of Assam"?
The changes made to Subs. by the North-Eastern Areas (Reorganisation) Act, 1971 in relation to "the Government of Assam" are:

1. The phrase "the Government of Assam" was substituted with something else as per the amendment introduced by the act mentioned. However, from the given context, the exact text that has replaced "the Government of Assam" is not provided.