The year Nagaland attained statehood within India was:

The correct answer is: b) 1963.

Nagaland is a state in Northeast India. It is the 16th and the youngest state of India. It was formed on 1 December 1963, after a long struggle for independence from India. The Naga people are a tribal people who have lived in the region for centuries. They have a distinct culture and language. The Naga people have a long history of resistance to outside rule. They fought against the British during the colonial period and against the Indian government after independence. The Naga people finally achieved statehood in 1963.

The other options are incorrect because:

• a) 1957 is the year that Andhra Pradesh attained statehood within India.
• c) 1972 is the year that Meghalaya attained statehood within India.
• d) 1987 is the year that Mizoram attained statehood within India.