If you are PCB student and wanted to be a doctor but you are not interested for MBBS, BDS, There are many options other than MBBS and BDS, First you have to decide what type of job profile you want and career goal you have. If you want to treat patient by sitting in a clinic then you can go for Bachelor of Homeopathic/Ayurvedic/Unani Medicine Surgery (BAMS, BHMS,BUMS) & Bachelor of Veterinary Science & Animal Husbandry (B.VSc & AH). If you have the interest towards Exercises, Nutrition and Fitness then you can go for BPMT, Clinic Nutritionist.You can also go for Biotechnology if you are interested in Research.

The other options you can opt-
Bachelor of Science in specializations under the pure sciences domain such as Physics, Chemistry, Botany, Zoology etc.

Good Luck!

You can go what interests youmost and wher eyou feel you ar emuch better at.

If you are from PCM backgrounds you can go for Biotechnology engineering and from PCB backgrounds you can go for Pharmacy or Bsc Veterinary science which is in demand course. 

You can also go for Bsc life Sciences and then go for Msc which is good combination .