Which collective name is given to the group of states including Manipur, Meghalaya, and Tripura?

Manipur, Meghalaya, and Tripura are part of a group of states collectively known as the "Seven Sisters." This term refers to the seven northeastern states of India, which also include Arunachal Pradesh, Assam, Nagaland, and Mizoram. The nickname "Seven Sisters" highlights the geographical and cultural coherence among these states, despite their diverse ethnic backgrounds and languages. These states are celebrated for their rich cultural heritage, vibrant history, and the scenic natural beauty that characterizes the northeastern region of India, making them a unique and integral part of the country’s identity.