Which two Indian states recently signed an agreement for the settlement of an inter-state boundary dispute?

The governments of Assam and Arunachal Pradesh have signed an agreement for the settlement of an inter-state boundary dispute between the two States. It was signed by the Chief Minister of Assam Himanta Biswa Sarma and Arunachal Pradesh Chief Minister Pema Khandu in presence of Union Home Minister Amit Shah in New Delhi.  The agreement between the two States will end the dispute relating to 123 villages along the border and it has been done keeping in view the historical perspective, demographic profile, administrative convenience, proximity to the border, and the aspirations of the residents.