Hi Aspirant!

NEXT(National Exit Test) is a centralized common exam which will be conducted for all the graduating students of medicine. First exam will be conducted in 2022 so batch of 2017 will be the first batch to write the exam. This exam is to confirm if the graduating candidate should be allowed to practice doctor or should be allowed for other post graduation programs. It will be a CBT test (Computer based) and will comprise of the MCQs.  Also, as no exam has been conducted yet, so I cannot help you predicting the marks required for qualifying this exam. You can visit here for more information:

https://news.careers360.com/why-mbbs-students-are-worrying-about-next-exam

Thankyou!