National Highways connecting Mizoram to other states include:

NH 301 and NH 54
NH 15 and NH 44
NH 37 and NH 61
NH 8 and NH 24

The correct answer is: c) NH 37 and NH 61.

NH 37 is a national highway in India that connects Silchar in Assam to Aizawl in Mizoram. It is 350 km long and passes through the states of Assam and Mizoram. NH 61 is a national highway in India that connects Silchar in Assam to Imphal in Manipur. It is 300 km long and passes through the states of Assam and Manipur.

Both NH 37 and NH 61 are important highways that connect Mizoram to other states. They are used by people and goods to travel between Mizoram and other parts of India.

Option a) is incorrect because NH 301 and NH 54 do not connect Mizoram to other states. NH 301 is a national highway in India that connects Silchar in Assam to Agartala in Tripura. It is 250 km long and passes through the states of Assam and Tripura. NH 54 is a national highway in India that connects Guwahati in Assam to Shillong in Meghalaya. It is 160 km long and passes through the state of Assam.

Option b) is incorrect because NH 15 and NH 44 do not connect Mizoram to other states. NH 15 is a national highway in India that connects Agra in Uttar Pradesh to Kanyakumari in Tamil Nadu. It is 2,000 km long and passes through the states of Uttar Pradesh, Madhya Pradesh, Maharashtra, Karnataka, Kerala, and Tamil Nadu. NH 44 is a national highway in India that connects Delhi in Delhi to Chennai in Tamil Nadu. It is 1,400 km long and passes through the states of Delhi, Haryana, Rajasthan, Gujarat, Maharashtra, Karnataka, and Tamil Nadu.

Option d) is incorrect because NH 8 and NH 24 do not connect Mizoram to other states. NH 8 is a national highway in India that connects Delhi in Delhi to Mumbai in Maharashtra. It is 1,390 km long and passes through the states of Delhi, Haryana, Rajasthan, Gujarat, and Maharashtra. NH 24 is a national highway in India that connects Delhi in Delhi to Lucknow in Uttar Pradesh. It is 584 km long and passes through the states of Delhi, Uttar Pradesh, and Uttarakhand.