Official Question UPSC 2025
Solution & Analysis
Answer:
Master Constitutional Adjudication Doctrines using previous year trends.
What fundamental legal maxim forms the basis of the Doctrine of Colourable Legislation?
What one cannot do directly, one cannot do indirectly.
Examiners will deliberately swap the definition of 'Pith and Substance' (which deals with incidental encroachment) with 'Colourable Legislation' (which deals with covert/indirect transgression). They also prey on the logical assumption that 'bad motives' invalidate a law (they do not).
The Doctrine of Colourable Legislation acts as a judicial x-ray; it strips away the deceptive framing of a statute to ensure a legislature hasn't covertly stolen jurisdiction it doesn't actually possess.