Subha,
Kudos for the good work.
There is some similar work undertaken by Tamil Wikipedians and we expect
official confirmation to release many volumes of encyclopedias under CC
license soon.
http://www.thehindu.com/todays-paper/tp-national/tp-tamilnadu/a-push-for-ta…
Some of the local FOSS activits including some Tamil Wikipedians are
engaged in a new project called
http://freetamilebooks.com/
This aims to release CC licensed contemporary works that can be read in
smart phones and tablets in epub and mobi formats.
Ravi