Hello,

Yes, you can surely do that. Go through following procedure to make sure your confirm admission for B.Tech.

1. fill out exam form for JEE or your state exam required to take admission to engineering.
2. Appear for exam. After declaration of result check out merit list for colleges according to your rank.
3. fill out admission form for colleges.
4. During this procedure, cancel out your admission from BSc. You cannot do both, BSc and B.Tech at the same time.
5. Make sure you collect leaving certificate from your college.
6. Apply for Gap Certificate from your respective Tahsil office. You will need this along with various documents at the time of admission of BTech.

Thank you. I hope, this information will help you.