Dear student!
In order to become a forensic lawyer, you must have expertise in both the fields, law as well as forensic science. So, first the aspirant must hold a degree in law and then besides or after completing law can opt for program in forensic science. In india it is necessary to pass NET forensic science exam Jee Forensic science entrance exam. After attaining the degree, get a training program under supervision of senior forensic analyst. Obtain a professional certificate after this program. This will show expertise in a specific area of forensics. The career of forensic lawyer is indeed a promising one but a long way to go. Hope this helps.
Good luck!