Science

Yes, you can make your career in economics through BA economics. You can also go with B.Com and BA.

East Point group provides both Diploma and graduation programmes in nursing through East Point college of Nursing, East Point School of Nursing and New Royal College of Nursing. The knowledge and training provided to future healthcare professionals helps them land the best opportunities in the health care industry. Patient care training begin early as Clinicals and increases in scope as the student advances through the course. At East Point, nursing education combined with excellent instructional infrastructure ensures dedicated student nurses with vast clinical experience.

Are you talking about B.Arch examination or IIT?
Your board percentage is low as JEE has the policy of 75%.

You can consider following fields:
Statistician
Lecturer
Professor
Content Analyst
Statistic Trainer
Data Scientist
Consultant
Biostatistician

B.Sc graduates have a wide variety of options available in terms of topics, subjects and field. They have an option to pursue a post-graduation degree in their respective field. Students can also join non-science Master's degree courses such as animation, management, journalism, computer technology, etc. after the completion of B.Sc degree.

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https://www.shiksha.com/aviation/colleges/colleges-india-8