Hello Aspirant,

your highest qualification with PCB remain 10+2 because you don't have Chemistry in your Bachelor's programme therefore for NEET UG 2022 your qualification code is 02 .

For your reference I am enlisting down the purpose of other NEET UG 2022 qualification codes as well :-

>>> Code 01 :- If the candidate has appeared for 10+2 or it's equivalent examination but the result is awaited.

>>>   Code 02   :- If the candidate has already passed 10+2 or it's equivalent examination with PCB and English subjects.

>>> Code 03 :- The candidates can choose this code if they have passed their Intermediate/Pre-Examination degree in Science stream from any recognized Indian University/Board or other body with Physics, Chemistry, Biology/Biotechnology, and English as a compulsory subject. Practical exams should also be there.

>>> Code 04 :- The candidate can choose this code if he/she has completed pre-professional/pre-medical examination with Physics, Chemistry, Biology/Biotechnology, and English after passing either the Higher Secondary examination or Pre-university or equivalent exam. Practical exams should also be there.

>>> Code 05 :- The candidate who has passed the first year of a bachelor's degree from a recognized university with Physics, Chemistry, Biology/Biotechnology inclusion of practical tests

>>> Code 06 :- Any aspirant who has passed B.Sc. examination with not less than two subjects which includes Biology/Biotechnology, Physics and Chemistry. Apart from this the candidate must have passed 10+2 or it's equivalent with PCB and English as compulsory subjects.

>>> Code 07 :- If the candidate passed any other examination, which is equivalent to intermediate science examination of any university/board, can opt code 7 as NEET code 2022 .

For complete details about NEET UG qualification codes kindly check out the link given below :-

NEET 2022 Qualification Codes (1 to 7) - Repeaters | Droppers (careers360.com)

For complete details about NEET UG Eligibility criteria kindly check out the link given below :-

https://medicine.careers360.com/articles/neet-eligibility-criteria

Complete NEET UG 2022 Application process is explained below in very easy steps :-
** Very first step is to visit the official website as given above and click on "New registration" button.
** Then you have to do registration using your basic details such as name, father's name, mother's name, contact details and so on.
** Now on second menu item you will have to fill details like your academic performance, address, ID type, medium of question paper and so on.
** Then on Next menu item you have to upload some images such as :-
i. >>>>>>> The recent photograph should be either in colour or black and white with 80% face (without mask) visible including ears against a white background.
ii. >>>>>>> Scanned photographs, signature, and Left and Right hand Fingers and Thumb impression should be in JPG format (clearly legible).
iii. >>>>>>> Scanned Category Certificate (if applicable), Citizenship Certificate (if applicable), and PwD Certificate (wherever applicable) should be in pdf format (clearly legible).
iv. >>>>>>> The size of the scanned passport photograph should be between 10 kb to 200 kb (clearly legible).
v. >>>>>>> The size of the scanned Postcard photograph (4”x6”) should be between 10 kb - 200 kb (clearly legible).
vi. >>>>>>> The size of the scanned signature should be between 4 kb to 30 kb (clearly legible)
vii. >>>>>>> The size of scanned and Left and Right hand Fingers and Thumb impressions as per the Template provided (Appendix-XXIV) should be between 10 kb to 200 kb. 
viii. >>>>>>> The size of the scanned copy of the Category certificate (SC/ST/OBC/EWS etc.) should be in pdf between 50kb to 300kb (clearly legible).
ix. >>>>>>> The size of the scanned copy of the PwD certificate should be between 50 kb to 300 kb (clearly legible) 
x. >>>>>>> The size of the scanned copy of Class 10 pass certificate should be between 50 kb to 300 kb(clearly legible).
xi. >>>>>>> The size of the scanned copy of the Citizenship Certificate/Embassy certificate or any Documentary proof of Citizenship certificate should be between 50 kb to 300 kb (clearly legible).
** Then you have to proceed for payment of application fee which can be done only in online mode either through Credit/Debit card or UPI or NEFT/RTGS.
** Then after you have to take the print-out of the NEET Acknowledgement receipt.

>>>>>>> Application fee for NEET UG 2022 :-

General :- 1600/-
General-EWS/OBC-NCL :- 1500/-
SC/ST/PwBD/Third Gender :- 900/-

For complete details regarding NEET UG APPLICATION FORM kindly check out the link given below :-

NEET Application Form 2022 (Out) - Registration, Apply online @neet.nta.nic.in, Documents Required (careers360.com)

You can also solve the Test series for NEET UG 2022 for better finishing of your preparation, you can get the Test series from the link given below :-

https://learn.careers360.com/test-series-neet-may/

I hope this information helps you.

Good Luck!!