Indian Constitutional Amendments and State Formations
Chart 3
Fixing the North-East jigsaw (1971-1991)
0000
1971
UT Himachal Pradesh was granted statehood
1972
Manipur and Tripura were granted statehood.
Mizoram, Meghalaya and North East Frontier
Agency were carved out of Assam as UTs
States
UTS
Assam
Sikkim
Meghalaya
1975
A protectorate of India until then, Sikkim joined the
Indian Union after a referendum
By 1975, the
north-eastern region
achieved its current
boundaries
North Eastern Frontier
Agency (later renamed as
Arunachal Pradesh)
Manipur
Mizoram
Tripura
Nagaland
1987
UTs Manipur and Arunachal Pradesh became states.
The state of Goa, Daman and Diu was split into
two: the state of Goa and UT of Daman and Diu
1991
Delhi was deemed National Capital Territory
and given a legislative assembly, with power
jointly shared with the central governmentView entire presentation