In a landmark judgment in 2026 that has profound implications for environmental law, the Supreme Court of India invoked the 'doctrine of parens patriae'. What was the core ruling in this case?

1. AUpheld the 50% ceiling on reservations as a part of the basic structure of the Constitution.
2. BGranted 'legal personhood' status to the entire Western Ghats ecosystem, allowing citizens to sue on its behalf for its protection.
3. CRuled that the powers of the Enforcement Directorate (ED) under the PMLA are unconstitutional.
4. DDeclared that the 'first-past-the-post' electoral system violates the principle of 'one person, one vote, one value'.