संविधान का 27वां संशोधन (1971) क्यों हुआ
Uttari-Purvi Kshetr Ke Pamch Rajyom Tatkalin Asam, Nagalaind, Meghalay, Manipur Va Tripura Tatha Do Sanghiy Kshetrom Mijoram Aur Arunalach Pradesh Ka Gathan Kiya Gaya Tatha Inme Samanvay Aur Sahyog Ke Lie Ek Purvottar Simant Parishad Ki Sthapna Ki Gai.