Yes. You are correct. Jipmer has made some changes in the marking scheme which is as :-
+4 for marking Correct Response 
-1 for marking Incorrect Response
0 marks for unattempted question.

For more info reagrding the exam details please visithttps://medicine.careers360.com/articles/jipmer-mbbs-exam-pattern?amp

Good luck. Preapre well for your exam.

Hi Devesh,

As per the updated rules for JIPMER exam pattern, negative marking is included from this year. There will be total 200 questions. 4 marks will be alloted for correct answer and 1 mark will be deducted for each incorrect answer. No mark will allot for unattempt question.

You can check the detail on the link https://medicine.careers360.com/articles/jipmer-mbbs-syllabus.

All the best!!