
1) Hindu festival 2) Hindu festival in Kerala
Found on
https://www.crosswordclues.com/clue/thiruvathira

Thiruvathira or Thiruvathirai or Arudhra Darisanam (Tamil: திருவாதிரை) is a Hindu festival celebrated in the South Indian state of Tamil nadu and Kerala. Thiruvathirai(Arudhra) in Tamil means `sacred big wave`, using which this universe was created by Lord Shiva about 132 trillion years ago. Chidambaram in Tamil Nadu, the Sri.....
Found on
http://en.wikipedia.org/wiki/Thiruvathira
No exact match found.