About Us

S.U. Khan is a professional forensic expert and digital cyber analyst associated with forensic examination and scientific analysis since 2003. He has experience in providing forensic consultation and expert opinion in civil, criminal and private matters. His professional profile includes questioned document examination, handwriting and signature analysis, fingerprint examination, cyber forensics, electronic evidence analysis and Section 65B certification. Through FSL Consultancy, he provides independent, confidential and scientifically based forensic services for advocates, courts, org

I am an experienced professional in the fields of Forensic Handwriting Analysis, Questioned Document Examination, and Fingerprint Examination, with over three decades of expertise in forensic science. Since 1991, I have been actively contributing to the field, providing expert forensic reports for criminal and civil cases in various courts and police stations across India since 2003.

My comprehensive training and internships at esteemed institutions such as the National Institute of Criminology & Forensic Science (NICFS) Delhi, Central Forensic Science Laboratory (CFSL) Chandigarh, Government Examiner of Questioned Documents (GEQD) Shimla  CBI, under the Ministry of Home Affairs have enriched my expertise. I have also visited numerous Central and State Forensic Science Laboratories to expand my understanding of forensic methodologies.

Throughout my career, I have successfully provided opinions and expert reports on thousands of cases involving:

• Handwriting and Signature Analysis
• Fingerprint Examination and Analysis
• Disputed Document Examination
• Fraudulent Additions and Alterations
• Anonymous Letter Investigations
• Electronic/Digital Document Analysis
• Forensic Voice Identification and Analysis
• Computer-Generated Document Authentication
• Typewriting and Text Verification
• Stamp and Seal Identification
• Audio-Video Authentication
• 65B Certificate Reports for Electronic/Digital Data
• Medico legal Problem

Examination Experience

My expertise is highly regarded by courts, insurance companies, law firms, detective agencies, banks, corporations, and various investigative organizations. I have played a pivotal role in resolving bank frauds, forgery cases, and other forensic investigations, and my insights are often instrumental in evidence presentation and cross-examination in courtrooms.

As a consulting expert, I provide forensic opinions and casework for courts (civil and criminal cases), law firms, insurance companies, private entities, unions, societies, educational boards, investigative agencies, and news organizations. My forensic examination reports are admissible in courts across India and abroad under Section 45 and Section 65B of the Indian Evidence Act.

My specialization lies in Questioned Documents Examiners and Electronic Evidence Analysis (Digital Media).

MENTORSHIP AND TRAINING

I have been fortunate to receive training under some of the most distinguished experts in the field, including:

Shri B.S. Chaudhry, Forensic Document Expert, Documents Scientific Investigation Bureau, Meerut, U.P.

Shri Siaram Gupta, IPS (Retd.): Former Superintendent of Police and Ex-Director-in-Charge, State Forensic Science Laboratory, U.P. Government, Lucknow.

Shri C.L. Sharma, Retired Additional Superintendent of Police and Expert at State Forensic Science Laboratory, U.P. Government, Lucknow.

Library of References

• “Questioned Documents Second Edition” by Albert S. Osborn
• “Handwriting Identification: Facts and Fundamentals” by Roy A. Huber and A. M. Headrick
• “Forensic Document Examination: Principles and Practice” by Katherine Koppenhaver  
• “Scientific Examination of Questioned Documents” by Ordway Hilton
• “Detecting and Deciphering Pencil Writing” by Ordway Hilton
• “Scientific Examination of Questioned Documents”, Second Edition (Forensic and Police Science Series) (Hardcover) by Jan Seaman Kelly (Editor), Brian S. Lindblom (Editor)
• “Suspect Documents” by WR Harrison
• “Document Examiner Textbook” by Jess E Dines
• “Forensic Signature Examination” by Thomas Slyter
• “Forensic Examination of Rubber Stamps” by Jan Seam Kelly
• “Advances in the Forensic Analysis and Dating of Writing Ink” by Richard L Brunelle and Kenneth R Crawford

Equipment

Stereomicroscope 7 – 45X Stereo zoom microscope

‘Nikon’ digital camera with micro lence

‘Foster + Freeman’ ESDA electrostatic detection apparatus

‘Regula’ video spectral equipment

‘Eschenbach’ magnifiers. loupes, magnifiers

‘Peak’ stand microscope, loupes, magnifiers

‘Leuchturm’ Ultra Volet lights

‘Leuchturm’ Infrared lights

‘Leuchturm’ Transmitted lights

‘Nikon’ SB800 Flash lights

‘JUST’ Normlicht light box

My work is driven by a commitment to applying scientific knowledge for the collection, analysis, and presentation of evidence to assist in the pursuit of justice. As a Private Forensic Expert, my opinions and reports uphold the highest standards of credibility and reliability, ensuring their acceptance in judicial proceedings worldwide.

Court Apperances  Court Appearances and forensic expert opinions have been provided in various civil and criminal matters before courts and investigative authorities across India. Since 2003, S. U. Khan has submitted forensic examination reports and expert opinions in cases related to handwriting, signatures, fingerprints, disputed documents, digital evidence, electronic records and cyber forensic matters. His professional forensic services have assisted advocates, courts, police authorities, private organizations and investigative agencies in legal proceedings and evidence examination throughout different states of India.