The marks obtained by the candidate for all correct answers for each subject (Maths, Physics and Chemistry) will be summed up for the raw scores. Most Probably the rank list for JEE Main will be announced after both January and April attempts are considered for candidates Attempt wise though officially there is no exact information about it till now. I would suggest you stay tuned with official website or Careers360 to get the updated information. You can also refer the below given link for the further information.

https://engineering.careers360.com/articles/jee-main-normalisation-process-how-scores-are-calculated

Good Luck!