Students can submit draft proposals through the site, and we recommend using Google Docs for these (with sharing settings set up), to allow mentors to review and comment directly on the proposal.
Final proposals must be submitted in PDF format by March 27 16:00 UTC.
For tips on writing a great proposal, check out the GSoC Student Guide and/or this thread:
For any students interested in working on one of the Bahmni projects for GSoC, please take note that the project scope has been updated for these projects: