If you have completed your BSc with any one of Chemistry, Biology (Botany, Zoology) or Bio-Technology in addition to Physics as your pass subjects, then you can apply with Code 06. Mathematics is not a required subject qualification in NEET. If you have only studied Physics from all of these, then you will have to apply with Code 02 or Code 03 depending on the Board you cleared your Class 12 from. If you completed your Class 12 from CBSE/ICSE/State Board, then apply with Code 02. If you completed your Class 12 through Intermediate/PUC, then apply with Code 03.

Good Luck!!!