http://www.indianembassy.de/pages.php?id=29this link tells you by which indian consulate general one should apply for the passport depending upon on which state we reside.
http://www.indianembassy.de/pages.php?id=30in this link,see point nr.5. Passport to a new born child
there are many documents that you need to prepare.
Prepare them all. it would take a week at least

and your son will be 2 weeks

.
in photo studio, inform them that you need Passbilder with 5*5 cm for indian pp.
they have some baby basket in which the kid can be safely kept for the photo. it is important that the baby is not sleeping,i.e. eye should be open. there will be some challenge for you. you may have to wake him up if he is sleeping or wait until he wakes up

you will manage..dont worry.
there is another challenging part. you have to get his thump impression for the application form

that u can do while he sleeps..but dont worry much... i dont really know why it is even asked..
All the best...enjoy the parenting..