India

If you do not have mathematics background in 12th then I would suggest to join B.Sc. Biotechnology programme. It will give you a core knowledge about biotech industry and further prepare for IIT JAM, GRE, and TOEFL kind of exams by which you will get more exposure to pursue PG from reputed institutes or you will get a chance to go abroad.

There are 100s of Engineering colleges in Tamilnadu, The complete list is given in Shiksha. Com https://www.shiksha.com/b-tech/ranking/top-engineering-colleges-in-tamil-nadu/44-2-123-0-0. As per my suggestion, The Ranking are :
1) SRM University, Chennai
2) VIT University, Vellore
3) Saveeta University, Chennai
4) AMET University, Chennai
5) PSG University, Coimbatore
6) Kongu College, Erode
7) Sona College, Salem
8) Mahendra Engineering college, Salem
9) SatyaBahma University, Chennai
10) Kumaraguru College, Coimbatore.

The best college in Kerala is Institute of Hotel Management (IHM) situated in Thiruvananthapuram. The admission process of IHMs are going on and the last date of online application is 31.03.2020. Hence apply immediately if interested. The admission in B.Sc. HHA are based on NCHM JEE-2020 entrance exam conducted by NTA. The eligibility criteria of B.Sc. HHA is 10+2 in any stream with English. Use the NCHMCT website for online application http://nchm.nic.in/
or can directly apply by using the NTA website link https://nchmjee.nta.nic.in/webinfo/public/home.aspx.