freinds, in chidambaram history circles this has been discussed. kongu country was never a unified kingdom. it only had few chiefdoms until 14th century. after that was part of the hoysala,mysore nayaks and later tippu's regimes.
even thondai country did not have any flag. the pallava flag cannot be automatically used as a thondai country flag.
this kazhar-singa nayanar matter -i have no idea.
mylai seeni venkatasalam is a very great person who is not protogonised by the tamilnadu govt.