Doctrine of Pith and Substance, and the Doctrine of severability in the legislative relations between the Indian Union and states are supplementary in nature but distinct in application. Discuss. (Answer in 350 words)

- Doctrine of Pith and Substance, and the Doctrine of severability in the legislative relations between the Indian Union and states are supplementary in nature but distinct in application. Discuss. (Answer in 350 words)
Introduction
India’s federal Constitution distributes legislative powers between the Union and States through Article 246 and the Seventh Schedule. The doctrines of Pith and Substance and Severability are judicial tools that preserve this distribution while preventing unnecessary invalidation of legislation.
Body
### Doctrine of Pith and Substance
This doctrine determines the true nature and essential character of a legislation when it appears to encroach upon a subject assigned to another legislature.
1. The court examines the law’s object, scope and dominant purpose, rather than merely its incidental effects.
2. If in its “pith and substance” the law falls within the competence of the enacting legislature, incidental encroachment upon another legislative list does not invalidate it.
3. It recognises that subjects in the Union and State Lists cannot always be placed in watertight compartments.
4. In State of Rajasthan v. G. Chawla, incidental overlap was accepted where the legislation substantially fell within the State’s competence.
### Doctrine of Severability
Severability applies when only a part of a statute is unconstitutional or beyond legislative competence.
1. Courts examine whether the invalid provision can be separated from the valid portions.
2. If the remaining provisions are independently workable and consistent with legislative intent, only the offending portion is struck down.
3. If valid and invalid provisions are inseparably interconnected, the entire law may become void.
4. In R.M.D. Chamarbaugwala v. Union of India, the Supreme Court elaborated the principles governing severability.
### Supplementary yet Distinct
Both doctrines are supplementary because they favour constitutional preservation rather than wholesale invalidation:
- Pith and Substance saves legislation despite incidental legislative overlap.
- Severability saves the valid portion despite partial unconstitutionality.
However, their application differs:
- Pith and Substance asks: Which legislature essentially has competence over the law?
- Severability asks: Can the unconstitutional portion be removed while preserving the remainder?
The former primarily addresses legislative character and federal competence, while the latter concerns the extent of invalidity.
Conclusion
Thus, both doctrines reinforce cooperative federalism and judicial restraint: Pith and Substance accommodates inevitable overlap, while Severability prevents constitutional defects in one part from unnecessarily destroying an otherwise valid law.