In our country,there are attempts to increase the height of several existing dams like Tehri and Almati,dams across Narmada. Choose the correct statements among the following that are a consequence of raising the height of dams:
$(i)$ Terrestrial flora and fauna of the area is destroyed completely.
$(ii)$ Dislocation of people and domestic animals living in the area.
$(iii)$ Valuable agricultural land may be permanently lost.
$(iv)$ It will generate permanent employment for people.

• A
  $(i), (ii)$ and $(iii)$
• B
  $(i)$ and $(ii)$
• C
  $(ii)$ and $(iv)$
• D
  $(i), (iii)$ and $(iv)$