The correct options are
A Nagaland
C Manipur
The states of Assam, Arunachal Pradesh, Nagaland, Mizoram, Manipur, Tripura, and Meghalaya all used to come under the Guwahati High Court till 23 March, 2013, the date of functioning of separate High Courts in Meghalaya, Manipur, and Tripura.