Questioned Signatures, Handwritings, Fingerprints, CD and Tape Authentication, Voice Identification and Comparison, DNA, Biological examination, Chemical Examination, Post Mortem and Medico legal Reports Analysis

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  • EXPERT OPINION on Questioned Signatures, Handwritings, Fingerprints, CD and Tape Authentication, Voice Identification and Comparison

    EXPERT OPINION on Questioned Signatures, Handwritings, Fingerprints, CD and Tape Authentication, Voice Identification and Comparison

  • EXPERT OPINION on Questioned Signatures, Handwritings, Fingerprints, CD and Tape Authentication, Voice Identification and Comparison

    EXPERT OPINION on Questioned Signatures, Handwritings, Fingerprints, CD and Tape Authentication, Voice Identification and Comparison



The Institute now includes both a Certificate program and a Master of Science in Forensic Sciences program, with a primary focus on Forensic.
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The college’s infrastructure is well furnished with all modern facilities. All labs are equipped with latest equipments for research and development of scientific skills.
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Expert Opinion available on Disputed signatures, Hand writing, Forged documents, Finger prints, Ballistics, DNA, CD tampering, Voice analysis, Chemical analysis,
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News , Views and Updates on Technical, Professional education and Training in the field of Forensic Science and Forensic Medicine
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London High Court accepts the evidence of Dr. S C Mittal

Justice Newey, High Court of London Chancery Division in Case No. 5436 of 2002 between Kalvinder Singh Sandhu (Applicant) and Dr. Sukhvender Kaur (Respondent) has accepted evidence of Dr. S C Mittal and in his Judgment he writes:

“Dr Subhash Mittal, a forensic document examiner called on behalf of Dr Kaur, expressed the view that the fluorescence of documents at issue tends to confirm that they are of the dates attributed to them. Mr Gupta disputed the value of fluorescence evidence in the present context, but I do not think I can dismiss Dr Mittal’s views as clearly without foundation; and”
“With a degree of hesitation, I have ultimately concluded that Mr Sandhu’s complaints in respect of the witness statement of 1 December 2009 have not been made out to the relevant standard. Mr Sandhu is alleging very serious misconduct: the dishonest concoction of a large number of documents. In the end, I do not think the evidence is strong enough to prove such misconduct beyond reasonable doubt. In other words, I cannot feel sure that Mr Sandhu’s complaints are well-founded.”

Evidence of Dr. S C Mittal accepted and appreciated by the Justice.

Govt. of FIJI has recognised and approved PFSI as a study centre for its Police Officers

s.jitokoThe Govt. of FIJI has recognised and approved this institute as a study center for its police officers.

Mr. S Jitoko, Fiji Police officer, has been nominated for  2- years advance diploma course in Forensic Science.  He has completed his first semester.

Mr. Kibwe Wa Kibwe from Congo joins PFSI for Diploma course

kibwe-wa-kibweOne Medico Doctor from CONGO (Africa), Mr. Kibwe Wa Kibwe, has also taken admission in this institute for 1 year diploma course in Forensic Medicine and Forensic Science.

Opinion Of Private Expert admissible in the Courts

Forensic Investigation of Arson Case

Side View of AC Unit from outside (North)

The warehouse of a Company dealing with Logistics had got fire on April 16th, 2017.

The insurance company hired our institute to investigate the cause of fire whether it is due to malicious reason or due to any accidental/natural calamities. Our team visited the incident site and investigate the whole area to find out the reason of fire.

Front View of AC Unit

To maintain the chain of custody, the incident site was photographed; the sketches of the affected areas were made and the samples were collected from the site for further laboratory and chemical analysis.

View of the AC Unit (East)

After examining the whole incident site and samples collected from the incident site, our team opined that the electrical short circuiting due to ill maintenance of the electrical wires and circuits is the effective cause of the fire in the warehouse of the company.

Decipherment of the registration number of the Scooty from CCTV Footage provided.

we carefully examined the CCTV footage recorded on 10 September 2016 using various forensic tools and deciphered the following registration number of the scooty;



Car Accident – Crime scene management case study

As reported by the IO and the person who was driving the above mention car, we were informed that on the intervening night between 8th/9th Nov 2014 at about 1:15 am, Akanshu Gupta was driving a car from Rampura side to General Store Punjabi Bagh side. After crossing the Punjabi Bagh Metro Station, instead of entering into under pass of the main Rohtak road, the car entered in to the left side road and after travelling some distance the driver lost the control over the steering of his car since a speeding vehicle coming from the back side passed by his side at a high speed. As per the statement of the driver, at that time of the incident, his co passenger was partly leaning out of the window of the front door. The driver lost control over the steering due to which the car swirled towards the left and smashed with the pavement and tilted to the left side. Since part of the body and head of the co passenger was outside the window, due to sudden impact and imbalancing, he got entrapped between the car and the surface below. It appears that the vehicle fell on his chest of co-passenger resulting in the breaking of his ribs. The vehicle was straightened with the help of a few people standing at the bus stop near the spot of accident. After re-positioning the car, the driver took the injured co passenger to Maharaja Agrasen Hospital where he succumbed to injuries after some time.

Analysis and Discussion

The experts of this investigating team have carefully examined the possible situation of accident and made the following observations:

  1. At the start of service lane there is a triangular concrete pavement on which there is a high mast light pole at the distance of about 15’feet followed by an electrical equipment enclosed in an iron cage and there was no evidence of striking of the vehicle with this pole or iron cage as was evident from the nature and pattern of dents on the vehicle.DSC_0783
  2. We have carefully considered the situation when a speeding car suddenly strikes the pavement due to loss of control of steering wheel then it might have caused heavy damage to the lower right side of the bumper which seems to have happened in this case.
  3. The effect of impact was so strong that the steering rod got damaged/bent.DSC_0803
  4. This impact could well have resulted in the tilting and eventual fall of vehicle on the pavement on the left side if the head and upper body of the co-passenger was protruding outside the window of the left front door.
  5. Since the height of the Wagon R car is about 6 feet from the ground and its width is 4 feet 6 inches, coupled with the situation that head and upper body of co-passenger was protruding outside of vehicle, this will invariably affect the position of fulcrum/ center of gravity of the vehicle resulting its tilting and fall of the vehicle on the pavement.


  1. A detailed examination of the vehicle no. DL 2C AG 2294 Wagon R revealed that there is clear evidence that this vehicle had met with an accident.
  2. Although there is no visible evidence of accident at the spot shown by the IO after several days of the accident in this case, yet the possibility of this vehicle meeting with an accident at the spot and falling on the pavement/ partly on the body of the co-passenger resulting injuries as per Postmortem report cannot be ruled out.
  3. A careful examination of the accidented vehicle, spot of accident, nature of accident and study of documents of this case including Postmortem Report clearly reveal injuries mentioned in the Postmortem report are due to an accident.

Decipherment of Picture of thief from CCTV footage provided

A case, FIR No.-153/15, Dated- 20.03.2015 was registered at Police Station  Mundka, Delhi informing that approx. Rs.5,00,000 collected from student as fees was stolen by thief  by breaking and cutting two locks from the cupboard of Maharaja Agrasen Vidyapith School at Mundaka .

On the request of the school, this institute had analyzed CCTV camera footage and was able to bring out the picture of thief.

The decipherment of Picture of the thief made by Priemer Forensic Science Institute will assist to Delhi police to catch the thief and recover the stolen money.


The examination of CCTV camera footage reveals that a young boy aged around 18-25 yrs wearing t-shirt, trousers and chappals has been captured in pictures while cutting the lock, as recorded by CCTV camera. Since he had cut only two locks that is of the room and the cupboard where cash was kept as such, it is obvious that he was familiar with the room and cupboard. This decipherment of CCTV camera pictures should be helpful in identifying and spotting the thief.

In this report, the date and time of cutting the lock of the room has been deciphered and shown below in the three best pictures taken out from the provided CCTV camera footage.robbery

In Picture No.1, the thief is shown cutting the lock of the room.

In Picture No.2, the thief is handling the cutting tool in his right arm.

In Picture No.3, the front profile of the thief has been shown.

Decipherment of Bike Number, Make and Model from CCTV FOOTAGE provided

Subject: Examination of CCTV Footage of Toll Booth received from Shri Sudesh Kumar.

  • (A) Material Received : Two video clips one in .avi format and one in .rec1 format received wide email from Shri Sudesh Kumar on 01 April 2015 , copy of email is attached.
  • (B) Query : To analyse the video Clip and give the report as following requirements:
  • (1) Colour and make of the bike is to be identified.
  • (2) Possible registration number(s) of the bike are to be identified.
  • (3) If registration number of the bike can’t be identified then list of confirming letters and digits in the registration number are to be identified.
  • (C) Examination: As mentioned above, two files were received for examination, namely “59M & 60M_20141001145500_ 20141001145702_ID_0000.REC1” and “60M_ 20141001145500_ 20141001145702_ID_0000.avi. For this, examination of properties of both files revealed as follows:
    • The properties of file “59M & 60M_20141001145500_ 20141001145702_ID_0000.REC1” indicate it is in .rec1 format. It is an encrypted video clip which appears to be a proprietary format for SAMSUNG recording and network systems.
    • The second file bears almost the same name “60M_ 20141001145500_ 20141001145702_ID_0000.AVI”, and its format is .avi, i.e. audio-video interleaved.
    • This second file is also a video clip that can be read (viewed) in a standard Windows-based media player, like VLC Media Player.
    • Using the video conversion tool, Total Video Converter, an attempt was made to ascertain the contents of the first file which is in .rec1 format. A screenshot of the conversion given below indicates that the contents of this file are the same as the second file in .avi format.
    • As the second file format, i.e. .avi, is more compatible with Windows-based tools, the examination and analysis was done on this file using various tools and methods as explained below.


  • (D) Methodology: The entire video clip, namely “60M_ 20141001145500_20141001145702_ ID_ 0000.AVI” was first run in VLC media player to identify the subject bike and riders. The clip appears to be one at a Toll Tax payment Booth, in a two-wheeler lane, where a number of two wheelers are seen crossing over the payment booth after making payment. The questioned bike and riders are the seventh vehicle to appear in the video clip in this lane. The following screenshot (Screenshot 1) refers…


The film was paused in some of the frames where the bike number appeared clearer than the rest, and screenshots of these frames were taken.  The screenshots were then treated in an image-processing software, Adobe Photoshop, to enhance the readability of the figures and characters, as well as better clarity into the color and make of the bike.  The screenshots were given a “sharp” filter to sharpen the appearance; despeckled, to remove the specks that appear after sharpening; and the contrast enhanced to increase the difference between the lightest and the darkest colors and shades so that the picture becomes clear.  The screenshots were also zoomed at 50% and 200%, respectively, to manipulate the size of the objects to facilitate reading.  The following individual frames have also been taken from the video footage, besides Screenshot 1 above, in which the frame number and timing are also indicated in the frame itself…


As these framegrabs are still pictures taken from the original footage provided to us, the original footage has not been tampered in any way. Only the framegrabs have been treated with tools available for sharpening the readability of the objects in the images.

As AVI files are interleaved audio and video fields with separate negative and positive attributes, it is necessary that at least two or more frames are grabbed for analysis – at least one with eve field on, and one with odd field on (as shown by the frame numbers). This becomes necessary as the interleaving often leaves some objects unclear or speckled for a complete analysis.

The framegrabs (screenshots) shown were first applied at two levels of the “Sharp” filter in the Adobe Photoshop application software. As this filter yielded some “speckles” (dots of sharpness), the “Despeckle” filter was applied to remove the speckles. Finally, the contrast tool was applied to enhance the difference between the white pixels and the black pixels in the number plate. The results obtained before and after the application of the tools is given in the following images…



The make of the bike was further compared with the possible make of similar appearance available on the Internet, which was compared with the zoomed pic of frame 14:56:34.  We were able to identify the possible model through a close comparison of the two pics.  Both are reproduced below, together for the purpose of clarity..


  • (E) Analysis and Observations: The analysis of the file has been done in accordance with our findings as detailed above, and the following has been observed seriatim, vis-à-vis the queries posed to us…
    • Colour and make of the bike is to be identified: The vehicle is a black Bajaj Avenger bike, to the best of our judgment and analysis.
    •  Possible registration number(s) of the bike are to be identified: Going by the best possible zooms and sharpness made available by us, the vehicle carries a registration number of DL 3S AV 4213, as shown in the following pic…


  •  As the “De-speckling” has not entirely removed the speckles created by the “sharpen” filter, it is possible that the last digits of registration number could read 4713, 4715, or 4215 also.  However, the possibility of these numbers is remote. If registration number of the bike can’t be identified then list of confirming letters and digits in the registration number are to be identified: It is confirmed that the letters DL 3S AV 4 and 1 in the registration number plate are confirmed.

Client has also requested over phone, for the clearest possible blown up picture of the pillion rider with some description. The same is provided below…


As can be seen from the pic the person in question is wearing a blue T-Shirt with half-sleeves and having white horizontal stripes.


Dr S C Mittal, CBI, the forensic science expert gave very good analysis on Zee TV

Bureau of Police Research and Development (BPR&D), New Delhi ties up with Premier Forensic Science Institute for creating training lessons workbooks

Bureau of Police Research and Development (BPR&D), New Delhi appoints Premier Forensic Science Institute for creating training lessons workbooks on various topics of policing for the learners to self evaluate their learning progress on the various subjects.

IN THE HIGH COURT OF PUNJAB AND HARYANA Criminal Revision No.3278 of 2011; 13thFebruary, 2013

Sunil Kumar V/s State Of Punjab


Criminal Revision No.3278 of 2011; 13thFebruary, 2013



“case was wrongly remanded to the Court of the learned Judicial Magistrate 1stClass, Jalandhar, to examine the handwriting expert and to decide the matter afresh.”

“That main contention of learned counsel for the appellant/accused is that the report of Forensic Science Laboratory, Chandigarh, is not admissible in evidence as no opportunity of cross-examination has been given to the accused and in support of his contention, learned counsel for the appellant/accused has relied upon the case law cited as Ayyub Ali vs. State of Madhya Pradesh, 2008 Criminal Law Journal, 2216, wherein it has been held in para No.7 that it is well settled legal proposition that the mere exhibition of handwriting expert report is not sufficient to consider it in evidence unless the expert is examined in Court and an opportunity of cross- examination is given to the defence. Provision of Section 293 of the Cr.P.C is not applicable for handwriting expert report. The handwriting expert is falling under this provision; therefore, the examination of handwriting expert was must.

Even our own Hon’ble High Court in Nirmal vs. State of Punjab, 2001(4) RCR(Criminal)622, has held that the report of handwriting expert, even if it has been given by the expert working in the Forensic Science Laboratory, would not be per se admissible under Section 293, Cr.P.C, unless the maker of said report is summoned and Criminal Revision No.3278 of 2011 examined as a witness and the other side is given an opportunity to cross-examine the witness. In my view, the facts of these authorities qua the point in controversy are fully applicable to the facts of the present case, because in the instant case also the prosecution before the lower court has proved the handwriting expert report as Ex.PZ, but they have not examined the author of this report. The learned Lower Court has not summoned the handwriting expert by taking the view that the report of the handwriting expert is admissible under Section 293, Cr.P.C but as per law cited supra, the provision of Section 293 of the Cr.P.C is not applicable for handwriting expert. Moreover, in the report Ex.PZ the expert has been given note that detailed reasons in support of the opinion expressed above, will be submitted at the time of evidence, if needed.

In view of the above said discussion, I am of the considered view that the examination of the handwriting expert is necessary.”

The report, which was not per se admissible, would not become admissible by way of leading evidence.”

“The second submission of the learned counsel for the petitioner is that the report which is not per se admissible would not become admissible by examination of the handwriting expert is devoid of force. The person, who had prepared and issued the report, can very well prove the said report and once it is proved then it would become admissible.


KeshavDutt V/s. State of Haryana [2010] INSC 651 (19 August 2010)



Court had occasion to consider whether reliance could be placed on the opinion of the Assistant State Examiner of Documents without examining him as a witness in Court. This Court held that from the opinion itself it could not be gathered whether his office would fall within the purview of Section 293 CrPC. Accordingly, the Court observed that without examining him as an expert witness, no reliance could be placed on his opinion. Learned counsel urged that the conviction of the Appellant on the basis of the above could not be sustained.”

“whether the opinion of the handwriting expert could have been relied upon without examining him becomes relevant.”

“The High Court also skirted the issue by observing that the science of handwriting being imperfect and inaccurate, it is very difficult, if not impossible to give the opinion that the writings were in the hand of one and the same persons.”

The High Court recorded that the report having gone unrebutted could be relied upon without any demur.”

“beyond doubt on the basis of Ex.PR and Ex.PY, he must be given the benefit of doubt.”

“The Appeal, accordingly, succeeds and is allowed and the judgment of conviction and sentence of the Appellant under Section 13(1)(d) of the Prevention of Corruption Act, 1988, is set aside.”

Wanted M.Sc. Forensic Science freshers (Local only) as trainees, likely to be absorbed on successful completion of training