the source for 3.45% are my contacts at the nirc office of ICSI at prasad nagar, new delhi (near rajendra place.)
and 3.45 % is the result for all the modules .
As you have less time so I would you to follow scanner or base your study on scanner.
For CS professional very good books are not available easily so study from the ICSI study along with exam solution guidelines issued by ICSI. Also use your CS executive experience for preparation.
Also prepare sections, case laws ets along with good presentation in CS.
First and foremost thing.. Nothing is impossible.. If you are willing to work hard and smart, then you can clear.. Think positive also adopt the sugession of Richank Garg
I also attempted module IV in June 20011 despite of reading the study material, guidlines answer and revising it about 2-3 times i am unable to pass this module.
For CS professional Programme(final), Study material of ICSI is much enough except paper like paper 6( DT and IDT) and addition to Reliance publications books will be good for theory papers in a short span of time...