The achievements of Samudragupta have been chronicled in the1. Hatigumpha inscription2. Sarnath inscription3. Girnar inscription4. Allahabad pillar inscription
The correct chronological order of the four Buddhist councils held is1. Rajagriha, Kashmir, Pataliputra, Vaishali2. Vaishali, Rajagriha, Kashmir, Pataliputra3. Rajagriha, Vaishali, Pataliputra, Kashmir4. Pataliputra,Rajagriha, Kasmir, Vaishali