Step 1: Four Formless Absorptions (Arūpa Samāpattis).
In Buddhism, after the "Rūpadhyāna" (form meditation), come the "Arūpadhyāna" (formless meditation). There are four stages of Arūpadhyāna, representing deep levels of meditation.
Step 2: Correct Order.
1. Ākāśānāñcāyatanam — Infinite space.
2. Viññāṇañcāyatanam — Infinite consciousness.
3. Ākiñcaññāyatanam — Nothingness.
4. Nevasaññānāsaññāyatanam — Neither perception nor non-perception.
Step 3: Analysis of Options.
- (1) (A), (B), (C), (D): Incorrect order.
- (2) (C), (D), (A), (B): Incorrect order.
- (3) (B), (C), (D), (A): Absolutely correct.
- (4) (D), (C), (B), (A): Reverse order.
Step 4: Conclusion.
The correct order is (B), (C), (D), (A).