CISF is Central Industrial Security Force.

As you have asked about the CISF ASI form, let me tell you, it has not been
released by CISF till 26th Dec, 2015.

You have to wait till the release of the notification to apply for it.

However you can check from the CISF website regularly to know more about
the recruitment of CISF.

I found following results from the website

ASSTT.COMMANDANT/Exe LDCE Exam – 2015 (UPSC)

ASSTT.COMMANDANT/Exe (CAPF-2014)

SI in CAPFs & Delhi Police and ASI in CISF – 2015

HEAD CONSTABLE/MINISTERIAL – 2015 (Direct Candidate & LDCE)

CONSTABLE/FIRE – 2014

SPORTSMEN & WOMEN (ASSTT.SUB-INSPECTOR & HEAD CONSTABLE)

HEAD CONSTABLE/MINISTERIAL – 2012

CONSTABLE/TRADESMEN- 2014

ASSTT.SUB-INSPECTOR/EXE (LDCE)- 2014

You can check about the recruitment details from its website.

Go to CISF website, the page open look like





Then click on Recruitment in the right side of screen, the page open look like




Here you will find the details regarding the recruitment process.