Delhi passport office is more accepting walk-in passport applications from senior citizens, minor child below 6 years any more. So don’t waste your time by taking a long trip to the passport office.
Though the irresponsible department hasn’t updated their website only you can find in latest news under Delhi site.
Don’t be fooled by their main passport website. The TCS employees will show their apathy with your difficulties.

And I visited PSK in shalimar place delhi thinking that our passport office is doing the good job.
They showed me this under latest news, yes 09jan2014 is latest for our passport department.
Website faqs still showing exempted category.

Categories of Applicants allowed as “Walk-In with ARN”

W.e.f. 9th January, 2014 applicants for PCC ( Police Clearence Certificate) are allowed as “Walk-in Applicants” only at Herald House, Shalimar Place and Gurgaon PSK. Applicants need to register Online, fill in the online application form and generate Application Reference Number (ARN) at least one day in advance before visiting any of the three PSK. Such applicants may visit the PSK with required set of documents and a copy of printed ARN sheet between 09.30 AM and 11.30 AM.
Applicants belonging to all other categories need to apply and take an appointment online before visiting the PSK.

Senior citizens and child parents beware, don’t visit without taking online appointment.