sikkim became a part of indian union when a referendum was held.
how sikkim became a part of indian union?
a referendum was held
bullet::::- amalgamation of sikkim: in 1947 sikkim became a protectorate under india, which controlled its external affairs, defence, diplomacy and communications. it is alleged that in 1972 r&aw was authorised to install a pro-indian democratic government there. after widespread rioting and demonstration against the king of sikkim in 1975 a referendum was held in which 97.5% of the electorate (in a nation where 59% of the population could vote) voted to join the indian union. on 16 may 1975, sikkim officially became the 22nd state of the indian union, and the monarchy was abolished.
research and analysis wing
the first bhutia king of the namgyal dynasty was installed in sikkim in 1642.





























in the years that followed "greater sikkim" was established in the eastern himalayas.





























after 1700 the kingdom went into steady decline.





























the remainder of the kingdom was divided between china and britain in 1890 in a convention signed in calcutta.





























in 1950 sikkim became a protectorate of independent india.





























the monarchy was deposed in 1975 and sikkim became the 22nd state of india.





























sikkim was integrated as the eighth north eastern council state in 2002.





























the official languages are english, nepali, sikkimese and lepcha.
hill tribes of northeast india