Update: This project never took off from the drawing board.
I work for Teach For India as a Fellow now and we have Teacher Development workshops, City Conferences once in a month where there are multiple sessions which provide technical training on multiple things at the same time. So we have a system where the Fellow chooses the sessions he wishes to attend. Presently here is how the session signup process works.
I am thinking of automating the red circle region by writing a web application that can run on Google App Engine. Since our organization uses Google Apps account for its IT needs. I think the integration could be more easily done with almost no cost.
Update 1:
Initiated the project using the Google App Engine. Signed up for a 60 Day & $300 credit Free trail from Google Cloud Services. – December 2,2014