By the 10th-century, the compositions of the 12 Alvars were compiled in an anthology known as:

Nalayira Divyaprabandham

The correct answer is Option (4) → Nalayira Divyaprabandham

By the tenth century the compositions of the 12 Alvars were compiled in an anthology known as the Nalayira Divyaprabandham (“Four Thousand Sacred Compositions”).