The following sites offer Open Source Educational Resources for all Levels-
EDUCATIONAL RESOURCES BY MHRD GOVT. OF INDIA
What are OERs- MHRD Govt. of India
Initiative of MHRD INDIA– a COMPETITION ON ICT IN EDUCATION- “KNOWLEDGE KINGDOM” has been launched on Children’s Day 14th Nov. 2013 and closes in the third week of December. Interested Teachers can follow this link to the site to get complete info on it
NCERT SAKSHAT MEDIA RESOURCES ( e-Content by NCERT , can be used online) Please go to the NMEICT – e ocntent page of the portal and click on content browser to see the area-discipline-subject wise listing of resources from the Primary to UG level
OER Commons- A World Repository of free Educational Resources
Example of a resource on OER Commons- Digital Story Telling