Hello Arnab, There are several codes according to specific criteria in NEET 2020.

CODE: 06 is applicable.

(Candidates who have passed their B.Sc Exam with the PCB subjects)

Students who have passed their B.Sc. Examination from an Indian University with not less than two of the given subjects Physics , Chemistry , Biology (Botany, Zoology)/ Bio-technology. They have also qualified their earlier qualifying examination with Physics, Chemistry, Biology, and English.