Four Buddhist Councils were held at the following places. Arrange them in correct chronological order.1.Vaishali2.Rajgir3.Kundalvana4.PataliputraSelect the correct answer from the code given below:

1. A

   1, 2, 4, 3

   1, 2, 4, 3. Starts at Vaishali; Rajgir was first.

2. B

   2, 1, 3, 4

   2, 1, 3, 4. Puts Kundalvana before Pataliputra.

3. C

   2, 1, 4, 3

   2, 1, 4, 3. Rajgir → Vaishali → Pataliputra → Kundalvana (Kashmir, Kanishka).

4. D

   1, 2, 3, 4

   1, 2, 3, 4. Vaishali first.

Summary. Official key is (c) 2, 1, 4, 3. Rajgir, Vaishali, Pataliputra, Kundalvana. Also note: 1st Rajgir — Ajatashatru; canon recitation; 2nd Vaishali — 100 years later; ten points; 3rd Pataliputra — Ashoka; Moggaliputta Tissa; 4th Kashmir — Kanishka; Kundalvana / Kundalvana Vihara.