Ist Sangam Period
Pandya King named kanjhi valluvathur, during the period of his rule I st sangam period start fuctioning at Kumarikandam. There were about 549 siddharkal that is inclusive of Tamil scholars, the total number were 4449. The head of Sangam were Agasthiya guru. In the executive body of the Sangam there were new siddhars, saptharshikal and 18 siddharkal present. I st Sangam could prevail over the period from Kanjhi valluvathor to the period Kadumkovan king. That is to say a total of 4400 years at Kumarikandathil. Also about 89 pandya king ruled during the said period.
IInd Sangam Period
II nd Sangam period prevailed over 3700 years. 59 pandya kings ruled during the above said period. There were total of 3757 members present in that Sangam. That is inclusive of Siddharkal and Tamil scholars. As per the books named Marma Sarasangraha Adinool, Agasthiyar guru was the head of that Sangam. The executive members were Navanatha siddharkal, saptharshikal and 18 siddharkal. During this period, whatever the books written that were presented to the executive body and discussed. After that whatever books accepted by the body were propagated. As per the available records certain portion of this place where this Sangam was functioning, taken away due to sea erosion( Kadal kol).
IIIrd Sangam Period
This sangam functioned at Madurai. During the period ie total of 850 years. About 49 pandya kings ruled during the entire period. There were 498 members inclusive of Siddharkal, Tamil scholars in that Sangam. Agasthiya guru was not a member of that Sangam. During the period ,Aryan civilization was progressing well. History reveals that this Sangam starts functioning 13500 years before the birth of Jesus Christ.