Evidentiary Role Of Expert Witnesses In Criminal Trials In Nepal

16 Oct 2025 --
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1. HMG vs Rajesh K.C. & Others (Rape Case)

Facts:
In this case, the accused were charged with rape. During investigation, forensic examination revealed the presence of semen on the clothes of the victim. A forensic expert examined the samples and prepared a medical-legal report confirming sexual assault and matching the sample to the accused.

Role of Expert Witness:
The expert’s forensic report provided technical evidence about the presence of semen and the timing of the assault. The report helped the court to establish the occurrence of sexual intercourse and linked it to the accused.

Court Decision:
The Supreme Court of Nepal relied on the expert testimony alongside eyewitness accounts to convict the accused. The court emphasized that forensic evidence is particularly valuable in sexual assault cases where eyewitnesses may be limited or unreliable.

Lesson:
Expert evidence in Nepal is treated as strong corroborative evidence, especially in sexual offences, but it must be based on proper scientific procedure.

2. Sideni Sah Kanu vs Prabhu Sah Kanu (Forgery Case)

Facts:
This case involved a dispute over a forged document. The number “0” in a financial record was allegedly altered to “7”. A handwriting expert examined the document and compared it with known samples of the accused’s handwriting.

Role of Expert Witness:
The expert analyzed pen pressure, ink color, tremors, and hesitation marks in the writing to determine whether the alteration was made by the accused.

Court Decision:
The court accepted the expert’s opinion as evidence and concluded that the document was indeed altered. The expert’s testimony was crucial in proving forgery, a crime often dependent on specialized analysis.

Lesson:
In Nepal, expert opinion in handwriting and forgery cases is admissible and often determinative when methodology is clearly explained.

3. Keshav Prasad Ghimire vs HMG (Cheque Forgery Case)

Facts:
The accused was charged with forging a signature on a cheque and withdrawing money. The handwriting expert compared the disputed signature with authentic samples.

Role of Expert Witness:
The expert’s opinion concluded that the signatures matched the accused’s known handwriting, establishing forgery.

Court Decision:
Both the lower court and the appellate court accepted the expert’s opinion. However, the court noted that ideally, the expert should personally appear for cross-examination under the Evidence Act, Section 23(7).

Lesson:
Expert opinion is admissible and can be decisive, but procedural compliance (expert testimony in court) is necessary to ensure fairness.

4. Makhamali Mishra et al vs Laxmi Kumari Mishra (DNA Evidence Case)

Facts:
This case involved a dispute over familial DNA evidence. The expert provided a forensic report based on DNA matching. The report was submitted as an affidavit, and the expert was not cross-examined in court.

Role of Expert Witness:
The expert interpreted complex DNA data and presented it in an understandable way for the court.

Court Decision:
The court held that when expert reports are clear and unambiguous, they may be relied upon even if cross-examination is not conducted, provided that the expert is available to testify if required.

Lesson:
Nepalese courts may admit undisputed expert evidence under certain conditions, but the ideal process is for the expert to testify and be cross-examined.

5. Ram Bahadur Basnet vs Nepal Government (Conflicting Expert Opinion Case)

Facts:
In this case, the accused contested expert evidence presented by the prosecution. The opinion of the expert contradicted other factual evidence in the case.

Role of Expert Witness:
The expert provided an analysis that the court ultimately found inconsistent with the physical and testimonial evidence.

Court Decision:
The court rejected the expert opinion because it was unreliable and conflicted with other credible evidence.

Lesson:
Expert evidence is not infallible; the court retains discretion to weigh it against other evidence and may reject it if it lacks reliability or conflicts with facts.

6. Ashokram Mahara vs Choteylal Ram (Expert Evidence as Assistance Case)

Facts:
The accused was tried for a financial crime, and the prosecution submitted expert reports on accounting irregularities.

Role of Expert Witness:
The experts explained complex financial transactions and irregularities in the accounts.

Court Decision:
The court emphasized that expert evidence assists the court but cannot replace the court’s independent judgment. Conviction cannot rely solely on expert opinion without corroborative evidence.

Lesson:
Nepalese jurisprudence consistently holds that expert opinion assists but does not substitute the court’s independent fact-finding.