The third Buddhist council was presided over by :

 a) Asokan
 b) Mahakasypa
 c) Moggaliputta Tissa
 d) Vasumitra and Asvaghosha

KPSC Confidential Asst-2015

Moggaliputta Tissa. The Third Buddhist council was convened in about 250 BCE at Asokarama in Pataliputra.