Correct option is C
The correct sequence to form a coherent paragraph is
(c) PSQR.
• P (The rate of poverty in India is increasing because of the increase in the urban population.) – States the main issue.
• S (The rural people are migrating to cities to find better employment.) – Provides a key reason for the urban population rise.
• Q (Most of these people find an underpaid job or an activity that pays only for their food.) – Explains the poor working conditions they face.
• R (Hence, around crores of urban people are below the poverty line...) – Concludes with the result of all the above factors.
This order flows
logically from the cause to the effect, giving a well-connected explanation of the rise in poverty linked to urban migration.