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any way u need to attend exam to clear CA Foundation | CA CPT right, so clear it as soon as possible, register soon ,
I wont say you weather old one or new one easy. but seeing the volume of syllabus old is is less and have less subjects so if you are eligible then clear it off. dont mind if you get new syllabus also because studying more syllabus is gaining more knowledge.which will definitely help you in future exams. there is nothing to worry about syllabus with combination of hard work practice and smart work anything is possible. all the best.
If you are not registered yet then Get registered yourself and institute will send you the study material as per the syllabus applicable for may 2017 . If you have already registered yourself then don't worry you will be provided a chance to attempt the old syllabus and you can also visit icai.org for the news and amendments .