What were the changes made by the Haryana and Uttar Pradesh (Alteration of Boundaries) Act, 1979 (31 of 1979), s. 5 (w.e.f. 15-9-1983)?
The changes made by the Haryana and Uttar Pradesh (Alteration of Boundaries) Act, 1979 (31 of 1979), s. 5 (w.e.f. 15-9-1983) were as follows:

1. The entry against "17. Haryana" was substituted by the act, and it became effective from 15th September 1983.
2. Additionally, some other territorial changes were made in the context, but they are not explicitly mentioned or related to this specific act.