We can understand the concern but, in absence of clarity about proposed changes at Main Examination level and possibilities of removal of optional subject, you don’t have any other choice.
We can’t speculate what kind of changes are going to come and when will these come in effect.
Although you are planning to appear in CSE 2014, the following articles would help you in getting some motivation for continuing preparation.
Show courage to prepare even if chances of change are high
Safe approach for preparation