JEE Advanced requires a student with valid PCM score with aggregate of 75% for general catgory, while for SC/ST/OBC the criteria is relaxed to 65%.

The scores secured in the following five subjects will be considered for calculating the aggregate marks and the cut off marks for fulfilling the top 20 percentile criterion:

• Physics, Maths, Chemistry, A language (if the candidate has taken more than one language, then the language with the higher marks will be considered) &  Any subject other than the above four (the subject with the highest marks will be considered).

Below mentioned tips shall help you in achieving good score:-

https://engineering.careers360.com/articles/jee-advanced-preparation-tips-physics-chemistry-and-mathematics