They were the post Sangam rulers (300 AD to end of 600 AD)
Sangam age ended in mid 300 AD
Buddhism and Jainism spread in North India
Social ethics declined
DARK AGE
Post Sangam Literature:
- Silapathikaram
- Manimegalai
- Pathinenkilkanakku
- Thirukkural
- Inna narpathu
- Iniyavai narpathu
- Naaladiyaar