16 September 2014
Link: https://www.icsi.edu/AcademicCorner.aspx
Check out the Academic Corner of ICSI from the link given above. You will find some sample test papers on OMR which will be of some help.
For OMR based exam you don't need to change your study patern. Conceptual clarity is utmost. You should read the study Material very well and a clear concept. If you do that you can score very high marks.