Hello Aspirant,

No there is no any problem, if the marks of class 11th were out of 600 then write it as it is, no need to change it until and unless you are asked to write the marks of only 5 main subjects not that of additional subject.

You can follow the given steps to fill out your 2nd phase NEET 2021 application form :-

**** Click on the link given below

https://testservices.nic.in/NEET2021/Root/home.aspx?enc=Ei4cajBkK1gZSfgr53ImFcFR+natXIEjJ1rCf6DMgOrJ4xlKNzYGOuB5dxhm2dDv

**** Now enter your NEET application ID, password which you have generated during the registration of 1st phase and enter security pin as shown their on the screen.

**** Click on 'Correction cum Filling up to phase 2 in application form'

**** Now you have to read the instructions carefully and enter the OTP sent to your registered mobile number.

**** The personal details that you had submitted in phase 1 of NEET application form will appear on the screen.

**** Edit the details in NEET phase 1 registration whichever is required, if not required then proceed.

**** Now fill the NEET 2nd phase application form - educational, subjects-wise marks, parents income details and whatever details required.

**** After entering the Security pin mentioned on the Screen click on the submit button.

For complete details kindly check out the link given below :-

https://medicine.careers360.com/articles/neet-application-form

When the result will be released then to have a list of all those colleges which you can get based upon your marks, category, and state you can use NEET College Predictor because it will make you comfortable while choice filling in counselling :-

https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer

I hope this information helps you.

Good Luck!!