Adv.Pritika Tiwari on Instagram: "imp doctrines for AIBE Exam 1. Basic Structure Doctrine 2. Doctrine of Eclipse 3. Doctrine of Severability 4. Doctrine of Pith and Substance 5. Doctrine of Colourable Legislation 6. Doctrine of Harmonious Construction 7. Doctrine of Repugnancy 8. Doctrine of Occupied Field 9. Doctrine of Prospective Overruling 10. Doctrine of Natural Justice 11. Doctrine of Legitimate Expectation 12. Doctrine of Ultra Vires 13. Doctrine of Strict Liability 14. Doctrine of Absolu