original_query: What is the early role of Pulicat in the history of Tamil Nadu?
query: What is the early role of Pulicat in the history of Tamil Nadu?
answer: In early Tamil history (300 BCE – 3rd century CE), Pulicat served as a northern outpost for the Early Cholas, Early Pandyans, and Sangam Cheras kingdoms.  By the 1st century CE, it was recognized as a significant port on the east coast of India.