The basic criteria of eligibility is (10+2) or equivalent qualification with Physics, Chemistry and Biology and/ or Math as main subjects and a min score of 55%. Admission In reputed institutes is usually through entrance exam whereas in other institutes you can take direct admission. I am enlisting a few good colleges which are doing really well in this field and are known for their quality education and better placements. Top colleges are:
Gujarat Forensic Sciences University, All India Institute of Medical Sciences
Lok Nayak Jayaprakash Narayan National Institute of Criminology & Forensic Science, 
Lovely Professional University Jalandhar, 
Jawaharlal Nehru Medical College, 
Dr Bhim Rao Ambedkar University Agra, 
IFS Nagpur, Pune, Aurangabad, 
Osmania University Hyderabad.

• Certificate Course (forensic Science)
  
• Diploma Course (Cyber Crime)
  
• Diploma Course (Forensic Science and Criminology)
  
• Diploma in Criminal Law (D.Crin)
  
• Diploma in Criminology & Penology
  
• Bachelor Degree Course (Forensic Science and Criminology)
  
• Masters Degree Course (Forensic Science and Criminology)
  
• Masters Degree Course (Forensic Science and Criminology Research)
  
• Master of Science (M.Sc) in Criminology
  
• Master of Arts (MA) in Criminology & Criminal Justice
  
• Master of Arts (MA) in Anti Terrorism Law
  
• Master of Legislative Law (LLM) in Criminal Law & Criminology
  
• Master of Legislative Law (LLM) in Crimes & Torts
  
• Master of Legislative Law (LLM) in Criminal Law
  
• Post Graduate Diploma Course (Forensic Science and Criminology)