Select the correct option

The correct answer is the State of Nagaland was formed by taking the Naga Hills and Tuensang area out of the state of Assam. Key Points People of Naga tribe were protesting for a separate state from themselves. Subsequently, in 1963 the state of Nagaland was formed by taking Naga Hills and Tuensang area out of the state of Assam. Nagaland was given the status of 16th state of the Indian Union and it was placed under the control of the Governor of Assam in 1961. A movement for a separate Sikh Homeland was raised by Akali Dal under the leadership of Master Tara Singh. On recommendations of the Sikh Commission (1966), the Punjabi speaking areas were unified into the state of Punjab and Hindi speaking states were unified into the state of Haryana. Hill areas were merged with the adjoining union territory of Himachal Pradesh and in 1971 the union territory of Himachal Pradesh went on to become the 18th state of the Indian Union.