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