Hello,

In order to become detective you need to have skills and knowledge about science and also you should be quick minded. After your 10th std choose 12th science stream with Physics, chemistry and biology/or maths combination and then prepare for entrance exams for Forensic science. Forensic science is the stream which can give you knowledge about science of deduction. Some colleges may have merit basis admission also.

Check out this link for colleges

https://medicine.careers360.com/colleges/list-of-forensic-medicine-colleges-in-india