Thanks Sharon for the comment..
Mention the icwa factor. Understand that not everyone passes icwa and that should not be considered as a disadvantage.But you should mention it and twist it to your advantage by mentioning like...
Do prepare for the interview and make sure you explain this issue to the examiners out at the interview centre...there is no point in not attending the interview and not preparing.
You may...but make sure you know pretty well about that hobby before answering as follow up questions are expected..
Thankyou Krishna.. For those kind words and for reading my stuff.