When did the Government of India introduce the concept of $JFM$?

Provide the full names for the following abbreviations:
$(i)$ $JFM$
$(ii)$ $CPCB$

Match the following columns:

Column-$I$	Column-$II$
$(a)$ Biomagnification	$(1)$ Nitrates and Phosphates
$(b)$ Eutrophication	$(2)$ Chlorine
$(c)$ Global warming	$(3)$ $DDT$
$(d)$ Ozone depletion	$(4)$ Greenhouse gases

Photochemical smog formed in congested metropolitan cities mainly consists of

Consider the following statements:
$I.$ Reforestation is the process of restoring a forest that once existed but was removed at some point of time in the past.
$II.$ Reforestation may occur naturally in a deforested area.
$III.$ $A$ tree plantation movement or Van Mahotsava is being carried out in India since $1982$.
Which of the statements given above are correct?

River water deposits which of the following types of soil?