B.Sc

Yes, it is necessary to give CET but if you want to take management quote or institute level seats then you don't want to give, there are many colleges which offer direct admission.
Well, my dear friend,
Irrespective of your group in your intermediate you are eligible to do Biotechnology course.
If you are an MPC or BIPC group candidate, try to go for B.Tech biotechnology which will be offered in few colleges only.
So, getting a good rank in EAMCET is must in order to join. After B.Tech completion, you may have bright opportunities or you can also go for M.Tech.
Advantages:
1. High demand for the biotech people because of the shortage of biotechnicians.
2. A wide number of opportunities in all pharmaceutical and biotech companies.
3. After completing M.Sc biotech and if you start to research, you will be paid a minimum of 100000 per month.
4. Biotechnology is all about making human beneficial products by using micro organisms and new technologies.
5. So new technologies coming and creating a lot of employment.

Yes, you can prepare for IAS.
This is the right time to prepare for and decide for IAS as well.You have enough time to prepare. But you can apply for the exam only after finishing your graduation.
Eligibility criteria:
- Indian Citizenship
- Graduation from a Govt. recognized university.
- Age of 21 to 30 years.
- If you are OBC and SC/ST category then you have age relaxation of 3 years and 5 years respectively.
You are in the first year so you have enough time to prepare for IAS.
Note: On this, my advice you is don't be in the wrong impression of having ample of time, so you will make out this easily. UPSC having hardly 1000 vacancies for all the civil servents of a different category. And every year approx 5 Lac candidates apply for it. So, wish you all the very best. Do well.

B.Sc. Interior Design Eligibility:
A pass in 10+2 examination or equivalent can go for this degree course.
Candidates must have teamwork ability as they will have to communicate with clients to assess what they want and need in a space, and then present your ideas for meeting those goals in a compelling way.
They should have artistic ability and style as they have to need to provide sketches of your proposed designs for space. CAD training may also come in handy since the interior design process often involves using computer programs to create two and three-dimensional renderings.
Another important thing is organisational skills as they have to complete a wide range of tasks and work with many different people, organisational skills are important.
Applicants who are willing to have a Master's degree and then for further research work also are suitable for the course.