The National Forensic Sciences University (NFSU) offers a one-year Post Graduate Diploma in Investigative Psychology (PGD Investigative Psychology) program at their Delhi campus. Here's a breakdown of the admission procedure.

A Bachelor's degree in Psychology or a related field (e.g., Criminology, Law) from a recognized university. There might be a minimum marks requirement, typically around 50% or 55% aggregate marks in your bachelor's degree.

• Academic Merit: Your marks in your Bachelor's degree program could be a significant factor in the selection process.
  
  
• Statement of Purpose (SOP): An SOP outlining your interest in investigative psychology, career goals, and relevant skills or experiences might be required. You can showcase your passion and suitability for the program through a well-written SOP.
  
  
• Previous Research or Work Experience (if applicable): Any prior research experience in psychology or related fields, or work experience in the criminal justice system, could strengthen your application.
  
  https://www.careers360.com/university/national-forensic-sciences-university-gandhinagar
  
  I hope it helps!