Correct Answer - B
Why we must bring some change in our crimial codes is being explained by Q and hypothetical situation of same crime committed by two which is being followed by P which explains the different background or you can track record of these offenders. A question raised in R that what should be the punishment, should it be equal? S asks should we stick to our odd concept or, should we go for some scienticfic approach which is on concluding setence.