Correct option is C
The correct answer is (c) (A–iii, B–ii, C–i, D–iv)
Explanation
First Buddhist Council
Held at Rajgrih
Under patronage of Ajatshatru
Purpose: Compilation of Suttas & Vinaya
Second Buddhist Council
Held at Vaishali
About 100 years after Buddha’s death
Purpose: Resolve disputes about monastic discipline
Third Buddhist Council
Held at Pataliputra
Under Ashoka
Purpose: Remove corruption & compile Abhidhamma
Fourth Buddhist Council
Held at Kashmir
Under Kanishka
Purpose: Final redaction of Tripitaka