hi,

see the main thing is if your conception is clear and you have learnt about most of the topic and have done ample number of mcq practices you can surely get good score. see crash course is good to refresh your syllabus and revision process, however only depending on crash course notes you can not get a good score, you also need to study from books and practice questions.

you may use careers360 neet rank booster package,

https://learn.careers360.com/neet-rank-booster/