A major organization established to represent Mizo interests before and after independence was the:

The correct answer is: a) Mizo Union

The Mizo Union was a political party in Mizoram, India. It was founded in 1946 by Laldenga, who later became the first Chief Minister of Mizoram. The Mizo Union was the main representative of Mizo interests before and after independence. It campaigned for Mizoram to be granted statehood within India, and it played a major role in the Mizo National Front insurgency. The Mizo Union was dissolved in 1986, after the signing of the Mizoram Peace Accord.

The other options are incorrect because:

• The Mizo National Front (MNF) was a militant organization that fought for Mizoram’s independence from India. It was founded in 1966 by Laldenga, who was also the founder of the Mizo Union. The MNF insurgency lasted for 20 years, from 1966 to 1986.
• The United Mizo Freedom Organisation (UMFO) was a political party that was formed in 1946 by a group of Mizo leaders who opposed the Mizo Union’s policy of seeking statehood within India. The UMFO campaigned for Mizoram to be granted independence from India.
• The Zoram Nationalist Party (ZNP) is a political party in Mizoram that was founded in 2008. The ZNP is a breakaway faction of the Mizo National Front. The ZNP’s main goal is to achieve greater autonomy for Mizoram within India.