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Checking relevance for Irfan Alias Bhayu Mevati VS State of Madhya Pradesh...
2025 0 Supreme(SC) 272 : The questions put during cross-examination based on the DNA test should relate to the methodology used during the different steps of DNA profiling, the basis for the interpretation of DNA profiles, the chain of custody of the samples, the accuracy of the allele numbers entered in the report, and the reliability of the laboratory records including worksheets for DNA extraction, quantification, amplification, electrophoresis, electropherograms, allelic ladders, control samples, and the DNA working procedure manual. The accused must be given an opportunity to challenge the scientific and technical aspects of the DNA evidence, including corrections made to the report (such as typographical errors in allele numbers) and the integrity of the chain of custody, particularly when the DNA report was not proven by the scientific experts who prepared it but by a police officer who was not involved in the examination process.Checking relevance for Ashok Kumar VS Raj Gupta...
Checking relevance for Chotkau VS State Of Uttar Pradesh...
Checking relevance for Mukesh VS State for NCT of Delhi...
Checking relevance for Nandlal Wasudeo Badwaik VS Lata Nandlal Badwaik...
Checking relevance for In Reference Additional Sessions Judge/Special Judge, Budhar District Shahdol M. P. VS Ramnath Kewat Alias Bhursoo...
2022 0 Supreme(MP) 860 : The legal documents indicate that during cross-examination, no questions were put to the expert witness (Dr. Lalji Singh) regarding the accuracy of the DNA testing methodology or procedures followed. The court noted that the trial court had made adverse findings on the accuracy of the DNA tests without putting any such questions to the expert, which the appellate court found to be improper. The appellate court emphasized that it would be a dangerous doctrine to disregard an expert''''s report based on textbook references without first putting those concerns to the expert witness. This establishes that the absence of specific questions during cross-examination on the technical accuracy of the DNA test procedure was a key legal point in assessing the validity of the DNA evidence.Checking relevance for Additional Sessions Judge/Special VS Ramnath Kewat Alias Bhursoo...
2022 0 Supreme(MP) 861 : The legal documents indicate that during cross-examination, the defense counsel (Shri Abhay Gupta) raised arguments regarding the DNA test, specifically challenging the change of coding in the articles by the DNA Test Laboratory and the rearrangement of exhibit numbers. However, the court found these arguments to be devoid of substance, noting that the material was identified by the ''''name of the source'''' and that no prejudice was caused to the appellant. The court further observed that no fatal questions were asked during cross-examination that could undermine the fairness of the DNA test, and that the appellant did not provide any explanation in his statement under Section 313 Cr.P.C. when the DNA test results were brought to his notice. The court concluded that the DNA test report was reliable and rightly relied upon by the trial court.Checking relevance for Sanjay @ Sanju vs State...
2025 0 Supreme(Del) 746 : The cross-examination of the DNA expert (PW-10) was limited to a perfunctory inquiry about the non-disclosure of the electropherogram report. The defense did not present any substantive challenge to the DNA evidence, did not summon a forensic expert to rebut the findings, and did not provide any technical or precedent-based material to question the reliability of the DNA analysis in the absence of the electropherogram. The court found no reason to doubt the integrity of the DNA evidence due to the lack of meaningful cross-examination or expert rebuttal.Checking relevance for Rashida Tripura, S/o. Sri Gajendra Tripura VS State of Tripura...
2021 0 Supreme(Tri) 61 : The legal documents discuss cross-examination of DNA test results, particularly focusing on challenges to the reliability and methodology of DNA testing. In the case of State of Gujarat vs. Mohan Hamir Gohil Dalit & Anr., the court addressed cross-examination issues when the accused challenged the DNA evidence, arguing potential contamination or errors. The court noted that the prosecution expert witnesses categorically ruled out contamination and/or erroneous results, and the defense failed to establish any defect in the testing methodology. The court emphasized that findings of expert witnesses cannot be overturned merely by referencing literature without confronting the expert with it, and that courts should not usurp the role of experts. Additionally, the court observed that the DNA test was conducted according to standard scientific practices and that there was no positive evidence showing the test was perverse or not in line with scientific methodology. These points highlight the standard grounds for cross-examination in DNA cases—contamination, procedural errors, and challenges to the expert’s methodology.
