By Express News ServiceTHIRUVANANTHAPURAM: Karkkidaka vavubali is Aadi Amavasai in Tamil Nadu. For a couple from Thenkashi in Tamil Nadu now living in Peroorkada, the vavubali experience in Shanghumugham was an eye opener. Rakesh and Swathy with their two kids had recently shifted to Kerala’s capital city for a job. “Though, the security arrangements were to the point, I was a bit worried about going down there. The waiting was a bit too long and we had to stand in the sun for some time..