As you have asked about the recruitment in Directorate of Forensic Sciences, New Delhi, I am giving you some information about it
I want to tell you that currently there is no recruitment going on in Directorate of Forensic Sciences, New Delhi.
However, you can check its website regularly to know about it.
To check it, you can follow steps given below
Go to Directorate of Forensic Sciences, New Delhi website
Scroll down
Then click on vacancy Notifications under Important Links, the page open look like



Here, you will get the information about the recruitment when available.

Here I found following:

Notice inviting tenders for contract manpower for CFSL Pune -updated on June 11, 2015
Notice inviting tenders for contract manpower -updated on May 26, 2015

Contact:
DFSS, Ministry of Home Affairs,
Block No.9, 8th floor,
CGO COMPLEX, Lodhi Road,
New Delhi - 110003