
Sudhir Kumar ShuklaLNJN NICFS Delhi Campus of National Forensic Science University · .
Sudhir Kumar Shukla
M. Sc., Ph. D.
About
138
Publications
138,580
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Introduction
Additional affiliations
Position
- Research Publications- 135
January 1994 - January 2013
Central Forensic Science Laboratory Chandigarh
Position
- Central Forensic Science Laboratory, Chandigarh and Hyderabad
Education
March 1982 - July 1984
Central Forensic Science Laboratory, New Delhi, FSL, Up Lucknow
Field of study
- Drugs of Abuse, Forensic Chemistry & Toxicology
June 1980 - March 1982
January 1979 - June 1980
Publications
Publications (138)
Analysing active chemical components of explosives, propellants and post‐blast residues have been challenging as it involves massive complexity. The increased use of energetics in various activities like military conflicts, terrorists activities, and accidental explosions has made the task even more difficult for forensic scientists and environment...
IntroductionThe utilization and misuse of prescription and controlled medications are expanding globally. However, the kind of substance abused may contrast from one country to another, but few drugs expand their horizons due to misused capabilities, expansion of the darknet, and increase in the Internet Connecting World. One of them is tramadol, a...
Background
Recent advances in the diversified anti-diabetic drugs have appeared in the startling increase in the count of poisoning cases. The epidemics of diabetes mellitus are increasing; hence, the no. of anti-diabetic drug users raised by 42.9%. The use of glimepiride raised to 24%. As the toxicity and drug cases are also escalating with increa...
Increasing numbers of female victims of violent sexual assaults are being murdered with the aim of concealing the identity of the perpetrator. Proper handling and analysis of evidence is very important in gaining a conviction in many criminal cases. After evidence is collected, due precautions must be taken to ensure that the integrity of the sampl...
In forensic investigation, experts deal with distinct types of crime scenes. Every crime scene is considered ubiquitous in correspondence of evidences including sexual assault, murder, homicide by adopting various methods i.e. burning, drowning etc. In homicidal cases, where dead bodies are burnt with very frequent and specific aspiration to disman...
Background: In the present study, three-dimensional application of confocal microscope is explored. The aim is to determine the sequence of intersecting lines written on a questioned document as a non-destructive technique.The authors have tested the Nikon confocal A1 microscope on two major criteria. The criterion 1 focuses on the
analysis of homo...
Firearms are extensively used in shooting incidents, functions or for recreational purposes around the world. However, illegal modifications to a firearm can pose a major challenge to the forensic community, as their examination and subsequent individualisation are not always easy when compared to standard firearms due to the non-availability of st...
An experiment has been carried out for determination of source of digital audio recording using audio latency feature of mobile phones. The legal requirement of the source correspondence with the audio recordings in question has driven the necessity of such study. The evaluation is based on 300 audio recordings recorded with ten mobile handsets of...
Teeth may provide useful forensic evidence owing to features like uniqueness, stability and comparability. Moreover, the human dentition is heterodont, i.e. all the teeth have different morphology – incisors, canines, premolars and molars. There are sometimes deviations from normal morphology, such as the presence of extra teeth, variation in their...
A dental cusp is a prominence on the crown of the tooth and is present normally on posterior teeth. This study was carried out to determine the frequency of different accessory cusps, their sites and presence of unilateral/bilateral cusps among males and females of three distinct ethnic populations of North India – Brahmin, Rajput and Muslim with r...
The exigency of computational approaches in detection of authenticity of handwriting is currently one of the imperative objective in forensic investigation. The most common pending errors made during investigation process are the utilisation of only known conventional methods of examination. The study was conducted with the objective of determining...
In many cases of sexual assault, traces of semen are left behind on the victim’s body, clothes and the area in which the assault has taken place. The positive identification of semen is instrumental in supporting such cases. There are several methods of forensic examination of semen reported in literature, but the presence of blood complicates the...
Investigation of the sequence of strokes is an integral part in Forensic Questioned Document Examination. With the modernization, forgers are also using modern methods for forging the documents and hence making the examination process more tedious. The present study focuses on investigating the sequence of two intersected lines made from same type...
Handwriting Identification is intensively related to observational learning and practical experience. It is a task of Forensic Document examiner to evaluate the sample both qualitatively and quantitatively. The matter of concern is how to execute this sort of analysis relating to practical experience. This review gives an answer to this question an...
Child abuse or maltreatment includes physical, sexual or emotional abuse as well as child neglect. This maltreatment of infants and children has been traced far back in history and tragically it is still globally prevalent in our so called, the Modern World. However still in many countries including India, there has been no thorough understanding o...
Ephedrine, Pseudoephedrine and Phenylpropanolamine are available in combination with antihistamines, Guaifenesin, Dextromethorphan and paracetamol. These drugs have been widely used for illicit purpose and sometimes multiple doses of these drugs are taken by athletes for quick relief as therapeutic medicine that crosses the maximum recommended dose...
In the later years of 21st Century, nail cosmetics have evolved from luxury to necessity. Nail polish removers are commercially mass manufactured, easily available and frequently used cosmetics in our day to day lives. The increase in usage of nail polish removers has created an opportunity for the local brands to produce low quality products, for...
A signature (from Latin: signare, “to sign”) is a handwritten (and often stylized) depiction of someone’s name, nickname, or even a simple “X” documents as a proof of identity and intent. The writer of a signature is a signatory or srgner. Similar to a handwritten signature, a signature describes the work as readily identifying its creator. A simul...
In this modish ambience we have gadgets all around but the condition of women are still getting worse. They are still struggling for their legitimate rights. According to the Indian national crime record bureau a total number of 3, 37,922 cases of sexual abuse have been recorded throughout the country, India. The Union Territory has reported the hi...
The connotation for undertaking the research falls on an attempt to perceive the range of natural variations in handwriting as a reliable and substantial solution for authenticating any document as genuine. Three handwriting samples - two in present handwriting (with a gap of 5-10 minutes) and one old or past handwriting (gap ranged from 2-33 years...
The cases of toxicity induced by drugs have risen tremendously in the past few decades. This pernicious effect is attributed to over dosage and drug reaction. Biological Samples in a case of poisoning was examined for presence of Pyrimethamine using thin layer chromatography. Drug residues were extracted from gastric lavage, vomit and urine employi...
Arteether, a sesquiterpene artemisinin derivative is the first line of treatment of Malaria. Malaria is an endemic disease and is a major cause of mortality in developing nations like India, Africa etc. Although the drug is rapid acting but has some pernicious effects associated with it. The cases of drugs induced toxicity has arisen tremendously i...
There are certain chemicals which are used to preserve the unknown human body parts, taken for identification via DNA analysis. Formalin is a common preservative which is used either in the case of an aborted fetus or other skeletal remains but such exhibits do not remain suitable for further DNA examination. Degradation of tissues leads to the con...
In the modern era, the advancement and digitalization in technology have taken place during an investigation of crime scene. The rapid enhancement and investigative techniques has changed the mean of identification of suspect. Fingerprints, which are considered one of the best features of personal identification, are frequently encountered in disti...
Sexual offence is a serious social problem worldwide taking place at different levels of society. Such offence occurs in the form of sexual violence which causes serious effects upon the physical as well as mental condition of the victim. Present study deals with the different factors affecting the investigation of sexual assault cases. The study f...
Forensic samples received in Forensic laboratories are generally collected by the police officers in unscientific manner. Blood pool or stains, found on crime scene are collected on the cotton swabs or on gauze cloth pieces and without further drying them, are kept in plastic container which leads to degradation. In most of the cases, pieces of cem...
Since year 2000 National Forensic Science Laboratory and year 2004 Central Police Forensic Science Laboratory had been analyzing the biological and body fluid samples derived from the bodies of people suspected to death due to poisoning. These samples were received from different districts of Nepal. The National Forensic Science Laboratory received...
The present study describes simple, precise, cost effective U.V –Vis Spectrophotometric method for the estimation of cephalosporin antibiotics in forensic samples. The solvent used throughout the experiment was methanol. The absorption maxima of cephalosporin antibiotics were found to be 249, 241, 253, 238, 239, 239, 241, 247, 241 and 239 nm for Ce...
A signature is a handwritten depiction of someone’s name, nickname, or even a simple “X” that an individual writes on document as a proof of identity. Signature is an evidence considered as chief part of information in forensic investigation. Signatures are highly individualized and habitual. It is commonly encountered in case like property, murder...
This article emphasis on the handling of different forms of tampered documents and the methods available for their treatment. The common types of Tampered documents encountered by the forensic experts are Alterations, Addition, Obliteration, erasures, invisible writings and Charred Documents. During the ancient period experiments were being perform...
Counterfeiting is a major problem in banknotes. To prevent counterfeiting every country includes various types of security features in their banknotes. These security features make banknote less prone to counterfeiting. These are the special features which were added either at the time of manufacturing of banknote or in the middle of the manufactur...
Saffron is the valuable spice of our food. It is the dried stigma of the flower Crocus sativus Linnaeus, the most economic part of the plant. Due to its high price and demand throughout world, it became frequent object of adulteration and gained attention to dishonest producers. The main aim of the research is forensic analysis of saffron. The vari...
Saffron is the important spice of our food. It is the dried stigma of the flower Crocus sativus L., which is the most economic part of the plant. The main aim of the research is to examine the saffron (Kong) of the Kashmir (JandK), India, which is the largest producer in the country. Due to its high price and demand in the world, it has been adulte...
The forensic DNA analysis is commonly used to detect the criminal activities but, it is also used in civil cases to establish the paternity of disputed offspring. The majority of cases regarding disputed paternity arise in the context of affiliation orders, divorce proceedings and questioned legitimacy, may also be used to find out paternity in cas...
Poisoning trends are the choice of research to know the poisoning pattern. The study has been widely enhanced from first poisoning case reported. Poisoning trends are studied to know the poisoning scenario of particular time duration. Poisoning cases can be differing from country to country and poison agents can be change country to country. Presen...
Background: Food colors are used to give an attractive appearance to food articles. Food colors are categorized as permitted and non-permitted colors. Use of non-permitted food colors has led to loss of real quality of food. Adulteration of food products is a cause of concern these days.
Objective: The objective was to detect the presence of non-pe...
Analysis of insecticides in body fluids is the choice of research from very long time before to know the impact of its on living beings. The analytical methods of insecticides have been improved in last few years by advance and sophisticated techniques. The analysis of insecticides in urine and visceral samples are preferred among other body fluids...
Clonazepam, (5-(2-Chlorophenyl)-7-nitro-1,3-dihydro-1,4-benzodiazepin-2-one), a nitrobenzodiazepine and a scheduled drug, is one of the most highly abused drugs in recent times. A sensitive analytical methodology using Liquid Chromatography tandem Mass Spectrometry (LC-MS/MS) was developed for the determination of clonazepam in human hair and nail...
A simple and easy liquid chromatographic procedure was developed for the separation and analysis of α,β-arteether. The developed method uses a reversed-phase Luna C18 column (250 mm × 4.6 mm), a hybrid micellar mobile phase containing 0.15 M SDS–6% (v/v) butanol–0.01 M phosphate buffered at pH 7, and detection at 218 nm. Under these conditions, the...
Ketamine is a drug of abuse and is gaining popularity as a date rape drug. There are no field test kits available especially for ketamine. Scott's test has been used for the detection of cocaine for a very long time. It is based upon the formation of an insoluble complex of the cobalt thiocyanate ion with a free nitrogen base of cocaine. However, t...
A simple and time-efficient UV spectrophotometric method was developed for the determination of sucralose in artificial sweeteners. The procedure is based on the UV spectrophotometric determination of the photodegraded product at 270 nm in alkaline medium (pH 12). LOD for this method was 0.02 g/L, and the calibration curve was found to obey Beer's...
Nux-vomica is a tropical plant that contains two ergot alkaloids i.e. strychnine and brucine which have pharmaceutical and toxic properties. In some places, for example in India, Nux-vomica is used in ayurvedic preparations in homeopathic medicine. As both compounds are toxic monitoring is required. In this work a method for the chromatographic det...
It is important in toxicological/drug screening work to rule out the possible interfering analytes, to eliminate the false positive or negative results. In this paper, we describe a simple, selective, and sensitive derivatized GC-MS method for the determination of cyclohexylsulfamic acid (cyclamate) in urine.
Elite- 5MS capillary column was used fo...
Background
Saccharin, a low calorie artificial sweetener was found as a new diluent / adulterant present along with paracetamol and phenacetin in an illicit methaqualone sample.
Methods
All these components were simultaneously analyzed by the proposed reverse phase high performance liquid chromatography method using C18 column using acetonitrile:...
Abuse of antiepileptic drugs (AED) in young generation is a rising problem in India. The problem is grave when these AEDs are taken in combination with other drugs or second or third generation AED. AEDs are now also been related with increasing suicidal tendency, thus to detect these drugs in biological fluid is an important task. By mean of this...
Manufacturing and marketing of the spurious health drink by either imitating or copying the original Glucon D, Glucose D and Glucon C (dextrose monohydrate) are commonly encountered in the Indian drug market. Such cases are registered under Section 420 IPC (Indian Penal Code) r/w 63 copyright act. Authors have successfully carried out the identific...
Organophosphorus (OP) pesticide self-poisoning is an important clinical problem in rural regions of the developing world. OP compounds are chemical compounds containing carbon-phosphorus bonds, primarily used in pest control and are often persistent organic pollutants. They are easily accessible, thus they are a commonly associated with suicides an...