Hello

I can help you to find code

 Code 1- 12th students giving their boards in 2019 .

Code 2 - 12th passed out students 2018 without gap in between 11th and 12th class.

Code 3- 12th passed out students with gap in between 11 and 12th class.

Code 4- dropper students ( more than 2 drops)

Code5-  first year students of BSC with physics chemistry and biology/biotechnology .

Code6- BSC passed out students.

Code 7 - for NRI student's

These are the codes for neet 

Please check in there authorities website or via helpline number

Hope helpful to you

Thank you