- 
					 The third Buddhist council during the reign of Ashoka was held at
- 
                        - Rajgriha
- Vaishali
- Pataliputra
- Nalanda
 
Correct Option: C
According to the Theravada commentaries and chronicles, the Third Buddhist Council was convened by the Mauryan king Ashoka at Pataliputra, under the leadership of the monk Moggaliputta Tissa.
 
	