Tree

Seven Branch the palm tree.
Location: Sivagangai District Kallal block

Rishi

https://en.wikipedia.org/wiki/Rishi
http://veda.wikidot.com/rishi
http://www.vedicrishi.in/

Wife

http://knowledgefruit.blogspot.com/search/label/Matrikas

revelation

http://www.revelation2seven.org/
http://www.revelation-today.com/spirits7.htm

Swaras

http://sapthaswaras.blogspot.in/

Rishi Panchami

https://en.wikipedia.org/wiki/Rishi_Panchami

Date
http://www.drikpanchang.com/festivals/rishi-panchami/rishi-panchami-date-time.html

Food
http://thesassyfork.blogspot.in/2011/09/food-during-ganpati-festival-rishi.html

Tube
https://www.youtube.com/results?search_query=rishi+panchami

Slides
http://www.slideshare.net/search/slideshow?searchfrom=header&q=rishi+panchami