This was the first time this subject was an option in CSS. CE-2016's (latest CE) results aren't out yet. Henceforth we have no idea if it is a scoring subject or not.
The syllabus can be very short, if you stick to topics - however the subject is very vast if you want to dig into it. Just like any other social science subject, you can connect it to many other disciplines such as psychology, sociology, anthropology, etc.
My suggestion is, if you have time, and an interest in Women studies, go for it. The paper was more or less about women's issues. 'Gender studies' seemed like a miscalculated subject-heading.
Or... you can wait for this year's result to come out; however, it will most likely be out AFTER the registration period for CE-2017.
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