Which Act is referred to as the "first mentioned Act" in the Bihar and Uttar Pradesh (Alteration of Boundaries) Act, 1968?
The Act referred to as the "first mentioned Act" in the Bihar and Uttar Pradesh (Alteration of Boundaries) Act, 1968 is not explicitly named within the provided context. However, based on the information given, it seems likely that this may be referring to the Andhra Pradesh Reorganisation Act, 2014 or the Madhya Pradesh Reorganisation Act, 2000 as these are the most recent acts mentioned and could potentially relate to territories in Bihar.