Which of the following is not properly matched?

Which one of the following pairs is mismatched?

Ecological backlash (or Ecological Boomerang) is:

Jhum cultivation:
$I.$ Also called as slash and burn agriculture,is the farming practice in North Eastern states of India.
$II.$ Farmers cut down the trees of forest and burn the plant remains.
$III.$ The ash is used as a fertilizer and the land is then used for farming or cattle grazing.
$IV.$ After cultivation,the land is left for several years,so as to allow its recovery.
Which of the statements given above are correct about Jhum cultivation?

Using Ahmed Khan's method in Bangalore,approximately $Q$ kilometers of road have been laid by the year $P$.

What is the main idea behind the "Joint Forest Management Concept" introduced by the Government of India?