In the given political map of India, four places have been marked as A, B, C, and D. Identify them with the help of information given below and write their correct names in the answer book, along with their serial numbers and the alphabets concerned.
(i) The State associated with Narmada Bachao Aandolan.
(ii) The State which merged with the Indian Union in 1975.
(iii) The State related to 'Operation Blue Star'.
(iv) The State whose one of the important leader was Lal Denga.
(i) Gujarat - C
(ii) Sikkim - A
(iii) Punjab - D
(iv) Mizoram - B