Arrange the following in increasing order of their $BOD$ values: Sewage $(S)$,Distillery Effluent $(DE)$,Paper Mill Effluent $(PE)$,and Sugar Mill Effluent $(SE)$.

Consider the following statements about Ramesh Chandra Dagar's work in the field of organic farming:
$I.$ Ramesh Chandra Dagar's work includes bee-keeping,dairy management,water harvesting,composting,and agriculture in a chain of processes.
$II.$ In this process,there is no need to use chemical fertilisers for crops as cattle excreta is used as manure.
$III.$ Crop waste is used for making compost,which is used as natural fertilizer.
$IV.$ Compost generates natural gas,which is used for the energy needs of the farm.
Which of the statements given above are correct?

$LPG$ cooking gas is

$A$: Polyblend is a fine powder of recycled modified plastic.
$R$: The blend of polyblend and bitumen helps to increase road life by a factor of three.

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

Which of the following steps can be taken to control global warming?
$I-$ Reducing the use of fossil fuels.
$II-$ Improving energy efficiency.
$III-$ Deforestation.
$IV-$ Afforestation.
$V-$ Increasing human population growth.