The correct answer is (a). Mizoram is located in the northeastern part of India. It is bordered by Assam to the west, Tripura to the south, Bangladesh to the southeast, and Myanmar to the east and north. The state has a population of over 1.1 million people and its capital is Aizawl. Mizoram is a mountainous state with a tropical climate. The main languages spoken in Mizoram are Mizo, Hmar, and Chakma. The state is known for its beautiful scenery, its unique culture, and its friendly people.
Option (b) is incorrect because Mizoram is not located in the northwestern part of India. The northwestern part of India is home to the states of Jammu and Kashmir, Himachal Pradesh, Punjab, Haryana, Rajasthan, and Uttarakhand.
Option (c) is incorrect because Mizoram is not located in the central part of India. The central part of India is home to the states of Madhya Pradesh, Chhattisgarh, Jharkhand, Odisha, and Uttar Pradesh.
Option (d) is incorrect because Mizoram is not located in the southern part of India. The southern part of India is home to the states of Andhra Pradesh, Telangana, Karnataka, Kerala, Tamil Nadu, Puducherry, and Lakshadweep.