Which of the following state was formed in the year 1987?

Both options 1 and 2

The correct answer is Option 3 - Both options 1 and 2

Option 1- Arunachal Pradesh
Option 2- Mizoram
Option 3- Both options 1 and 2
Option 4- Neither 1 nor 2

Arunachal Pradesh and Mizoram attained statehood in 1987

Tripura, Manipur and Khasi Hills of Meghalaya were erstwhile Princely States which merged with India after Independence. The entire region of North-East has undergone considerable political reorganisation. Nagaland State was created in 1963; Manipur, Tripura and Meghalaya in 1972 while Mizoram and Arunachal Pradesh became separate States only in 1987.