Answer: A
The Seven Sister states are the contiguous states of Arunachal Pradesh, Assam, Meghalaya, Manipur, Mizoram, Nagaland and Tripura in northeastern India. TRIPURA: A SMALLSTATE OF NORTH-EAST INDIA Tripura, in northeastern India is the third smallest state, after Sikkim and Goa. Tripura was ruled by kings of the Manikya dynasty until 1949 when it became pa rt of the Indian Union
Area : 10,491 Sq.Km.
Meghalaya -----> 22,429 Sq.Km
Manipur ---------> 22,327 Sq.Km
Mizoram -------> 21,087 Sq.Km