The Trichy Regional passport office has made all the passport applications has to be filled online compulsorily except for those seeking ECNR and PCC endorsements.
So it is a two stage process for submitting application.
Register the application online at www.passport.gov.in
Submit your registered passport application in person to the regional office.
Applicants who do not have access to Internet can avail the services of the Ex-Servicemen Facilitation Centre functioning at the Passport Office campus in Tiruchi.
It does not say whether there is any time limit between online registration and manual submission.
Also, it is not clear whether this two stage process in effect only in Trichy Regional office ..