Class 12-science

Hello Simarjot,
If you have studied maths and computer science until 12th, then you are qualified to study an engineering discipline in computer science. Accordingly, you can study BE/ B.Tech computer science and information technology courses.
If you haven't studied maths at HSC level, then you are eligible to study B.Sc computer science, bachelors of computer applications BCA, and B.Sc information technology.
Here is the list of the best non medical courses after 12th :-
-B. Sc in Agriculture.
-B.Science in Agricultural Eco and Farm management
-B. Sc in Agricultural Meteorology
-B. Sc in Agricultural Biotechnology
-B. Sc in Agricultural Statistics
-B. Sc in Agronomy
-B.Sc (Agriculture Mktg and Business Management)
-B.Sc (Bio-chem and Agricultural Chemistry)
-B. Sc in Entomology
-B. Sc (Hons) in Agriculture

Until 2016, AIPMT (All India Pre-Medical Test) was the medical exam and was replaced with NEET. With the introduction of NEET, all the other state level and college level medical entrance exams were stalled. NEET is now the only medical entrance exam; amedical aspirant has to take up which ensures an equitable basis to all.
NEET preparation is incomplete without books. The market is flooded with millions of books, but it is necessary to refer to the right study material. Medical aspirants find it very confusing to choose the right book.
Physics:
- Concepts of Physics by HC Verma- Vol. 1
- Concepts of Physics by HC Verma- Vol. 2
- Objective NCERT at Your Fingertips for NEET by MTG
- The Feynman Lectures on Physics: Mainly Mechanics, Radiation and Heat (Vol- I)
- The Feynman Lectures on Physics: Mainly Electromagnetism and Matter( Vol- II)
- The Feynman Lectures on Physics: Quantum Mechanics (Vol III)
Chemistry:
- New Pattern Chemistry for NEET, AIPMT, JEE Main & Advanced by R.K Gupta
- Organic Chemistry Paperback by Robert Thornton Morrison
- Concise Inorganic Chemistry by JD Lee
- Objective Chemistry for AIPMT/AIIMS and Other PMTs by MTG Editorial Board
- Objective Chemistry Vol.-1 For NEET Paperback by R K Gupta
- Objective NCERT at Your Fingertips for NEET-AIIMS Chemistry by MTG Editorial Board
Biology:
- Trueman's Elementary Biology - Vol. 1
- Trueman's Elementary Biology - Vol. 2
- NEET Guide for Biology by MTG
- Objective NCERT at Your Fingertips for NEET-AIIMS Biology by MTG Editorial Board
- Objective Zoology for AIPMT/AIIMS/JIPMER/AMU Other PMT Entrance Exams - Zoology Botany
- Biology for AIPMT (All India Pre-Medical Test): Vol.-I by A. Tripathy
With these NCRET books are like a bible for NEET exam since there are many questions which were directly asked from NCRET books.
NCERT Xtract - Objective Physics, Chemistry, Biology (You can buy this NCRET Xtract set to cover your NCERT books of class 11th and 12th.)
Best of luck.

BMS is 3 year Bachelor's degree in Commerce, Business Management and Business Administration. BMS program usually includes general business courses and advanced courses for specific functional areas such as Finance, HR, IT, Marketing etc. Science students are eligible to seek admission in BMS. Science students with superior numerical ability and data interpretation capabilities are well suited for doing well in BMS entrance examinations. BMS graduates get entry-level supervisor and junior management positions in various types of industries in different management functions. BMS graduates start their career as trainees. In order to grow in career a BMS graduate would require an MBA to move up the ladder.