@ NRoshanth,
So you're basically in a Combined Honours program. Here are the requirements as according to the Undergraduate Calendar:
Combined Honours in Communication Studies and another subject:
http://registrar.mcmaster.ca /calen...nt/pg1420.html
Combined Honours in Multimedia and another subject:
http://registrar.mcmaster.ca /calen...nt/pg1426.html
*NOTE: The above link is for students who are entering the program either in Sept 2009 or later.
There aren't a set number of required courses you absolutely must take in second year -- just make sure you will have completed all the listed required courses by the time you graduate.