(i) Nagaland State were created in 1960.

(ii) Meghalaya, Manipur and Tripura became States in 1972.

(iii) Arunachal Pradesh and Mizoram became separate States in 1987.

(iv) Earlier the partition had reduced the North-East to a land locked region and affected its economy.

Effects: (i) The region suffered neglect in developmental terms because it was cut off from the rest of India.

(ii) Its politics too remained insulated.

(iii) The region underwent demographic changes due to influx of migrants from neighbouring states and countries.

(ii) Some sections of the movement had ambitions of creating a Dravid Nation.

(iii) It did not take up arms and used democratic means like public debates and the electoral platform to achieve its ends.

(iv) The movement acquired political power in the State and also became influential at the national level.

(v) It led to the formation of Dravidar Kazhagam (DK) under the leadership of Tamil social reformer E.V. Ramasami ‘Periyar’.

(vi) It strongly opposed the Brahmins’ dominance.

(vii) It affirmed regional pride against the political, economic and cultural domination of the North.

(viii) The DK split and the political legacy of the movement was transferred to Dravida Munnetra Kazhagam which fought various agitation’s viz. restoration of the regional name of Kallakudi railway station, to give Tamil cultural history greater importance in school curricula, against the craft education scheme, against making Hindi the country’s official language.

(iii) Backwardness in comparison to other parts of the country;

(iv) Vast international border;

(v) Weak communication between the North-East and the rest of India.

The issues that dominates are demands for autonomy, movements for secession and opposition to outsiders.

(b) Political autonomy for the region.

(c) To attain ‘bolbala’ i.e., dominance and hegemony of the Sikhs (Anandpur Sahib Resolution).

(d) Distribution of water between Punjab and neighboring States.

(e) Secession from India and the creation of ‘Khalistan’.

(iii) Assam: 

(a) Political autonomy.

(b) Tribal communities and separation from Assam.

(c) Secession from the Indian Union (Mizos).

(d) To detect and deport outsides from Assam i.e., anti-foreigners movement.

(iv) Tamil Nadu:

(a) Opposition to the Brahmins’ dominance.

(b) Against the political, economic and cultural domination of the North.

(c) Against making Hindi the country’s official language.