More details here. You can also visit the ASER website here.
Pratham facilitates the one-of-its kind nationwide annual survey ASER (Annual Status of Education Report) which checks the current status of primary education in India and helps us take action accordingly. This survey is a people's initiative and done solely through the help of volunteers. In 2008, over 32,000 volunteers participated in the survey and we covered more than 700,000 children in 564 (out of 600) districts of India. This year, the survey starts in Oct-Nov and the findings of the survey will be reported in the ASER 2009 in Jan next year.You can help us by either volunteering for on a weekend or donate any amount to faciliate the work. If you are unable to contribute in either ways, you can still help us by forwarding this request to your friends, colleagues or people you know who might be interested in this work.Volunteering requires only a weekend in Oct-Nov - Please contact firstname.lastname@example.org or call 011-26716084