Which of the following is a Tamil poetry written by Ilango Adigal?

The correct answer is Option (2) → Silappadikaram

Silappadikaram (“the tale of the anklet”) is one of the great epics of Tamil literature, composed by Ilango Adigal, who by tradition was a Chera prince who became a monk. It tells the story of Kannagi and her husband Kovalan, who is wrongly put to death in Madurai over an anklet, and of Kannagi’s anger at the injustice.