Hello,

you must have choosed a campus where you have applied for PhD. That institute/campus will have a entrance exam to be eligible further selection process. You will have to search for the syllabus from the respective college official webpage. it will be provided to you when you apply for the process. You can also get it from google browsing.

syllabus is not same for all the college. Different college/university have different way and process. if you can mention in which college you want to to study then i can provide you precise details.

Hope it helps!