Ashta vIrtta thalaN^kaL

Virattam are the places where God appeared with fury (maRakkaruNai). There are eight vIrattams.
  1. Thiruvadhikai - Thripura samhAram
  2. ThirukOvilUr - An^dhakAsura sUdhanam
  3. ThirukkadavUr - kAlAri
  4. PazuvUr - mAthaN^kAri
  5. ThirukkuRukkai - kAmAri
  6. ThiruppaRiyalUr - Dhaksha yanyya nAsam
  7. ThirukkaNdIyUr - Brahma sira kaNDichcharam
  8. ThiruviRkudi - chalan^dhrAri
Thirumandhiram has reference to all these eight deeds.