Multiple choice Which of the following hills is not part of Purvachal or Eastern Hills? Patkai Naga Terai Mizo Reveal answer Fill a bubble to check yourself C Correct answer Explanation The Purvachal (Eastern Hills) consists of the Patkai, Naga, Mizo, and Manipur hills. The Terai is a plain region at the foot of the Himalayas, not a hill range.