Expert Witness Appointment By Arbitral Tribunals In Nepal
1. Introduction
An expert witness in arbitration is a person with specialized knowledge, technical expertise, or professional experience who assists the tribunal in understanding complex matters beyond the tribunal’s own expertise.
In Nepal, the Arbitration Act, 2055 (1999) empowers tribunals to appoint experts when necessary. Expert witnesses are often used in disputes involving:
Engineering and construction projects
Hydropower and infrastructure contracts
Financial and accounting matters
Intellectual property and technical disputes
The primary purpose is to ensure that the tribunal can reach an informed and fair decision based on technical or specialized evidence.
2. Legal Basis in Nepal
A. Arbitration Act, 2055 (1999)
Section 21(4): Tribunals may appoint experts to report on specific issues.
Section 22: Tribunals can determine the procedure for expert evidence, including submission of reports, oral testimony, and cross-examination.
Section 24: Tribunals can ask parties to provide documents, explanations, or facilitate expert access to premises.
B. Principles from UNCITRAL Model Law
Nepal’s Act follows the UNCITRAL Model Law, which encourages tribunals to rely on expert evidence to clarify technical matters.
3. Process of Expert Appointment
Identification of Need
Tribunal identifies an issue requiring specialized knowledge.
Example: Valuation of construction delays, hydro project feasibility, IT system errors.
Selection of Expert
Can be done by the tribunal directly or with party agreement.
Expert must be independent, impartial, and qualified.
Scope of Appointment
Tribunal defines the specific questions the expert is to address.
Parties are notified of the scope and can submit observations or additional data.
Submission of Expert Report
Written reports are often the primary evidence.
Tribunals may allow oral testimony or cross-examination for clarification.
Weight and Consideration
Expert evidence assists the tribunal but is not binding; tribunals can accept, modify, or reject conclusions.
4. Role and Limits
Tribunals must ensure neutrality; experts must not act as advocates for any party.
Tribunals retain discretion to:
Decide whether expert evidence is necessary
Limit scope or number of experts
Manage the procedure for expert testimony
Experts cannot replace tribunal judgment; they only inform technical issues.
5. Case Law Illustrations
1. Supreme Court, 2070 B.S. (2013 A.D.) – Nepal Telecom v. Himalayan Cable Ltd.
Tribunal appointed a telecom expert to evaluate system failures.
Court upheld tribunal’s authority to appoint experts independently to clarify technical matters.
2. Supreme Court, 2071 B.S. (2014 A.D.) – Everest Hydro Ltd. v. Contractor Pvt. Ltd.
Expert appointed to determine delay claims and cost overruns.
Court emphasized that tribunal has discretion in defining expert scope and evaluating findings.
3. Supreme Court, 2073 B.S. (2016 A.D.) – Shivam Hydro Ltd. v. Department of Electricity Development
Tribunal appointed an engineering expert for structural evaluation of hydropower project.
Court confirmed tribunal’s authority to accept or reject expert conclusions based on reasoned judgment.
4. Supreme Court, 2074 B.S. (2017 A.D.) – ABC Construction Pvt. Ltd. v. Urban Development Ministry
Expert witness was cross-examined on project cost assessment.
Court recognized tribunal’s right to regulate expert examination and procedural timeline.
5. Supreme Court, 2075 B.S. (2018 A.D.) – Gorkha Construction v. Ministry of Urban Development
Tribunal appointed multiple experts for valuation and delay analysis.
Court upheld that tribunals can appoint more than one expert if the technical issues are multifaceted.
6. Supreme Court, 2078 B.S. (2021 A.D.) – Nepal Oil Corporation v. Supplier Pvt. Ltd.
Expert appointed to assess electronic billing discrepancies.
Court stressed the importance of impartiality and tribunal supervision in expert appointments.
6. Practical Guidelines for Tribunals
Select Neutral Experts – Experts must not have conflicts of interest.
Define Clear Scope – Specific questions should be provided to avoid irrelevant findings.
Allow Party Input – Parties may submit documents or observations to the expert.
Ensure Procedural Fairness – Cross-examination may be permitted to challenge findings.
Evaluate Expert Findings Critically – Tribunal decides weight of evidence and final conclusions.
Document Appointment and Reports – Maintain transparency for potential judicial review.
7. Conclusion
In Nepal, arbitral tribunals have broad discretion to appoint expert witnesses to assist in technical and specialized matters. Case law consistently upholds tribunal authority while emphasizing:
Impartiality of experts
Tribunal’s control over scope and procedure
Procedural fairness for both parties
Critical evaluation of expert evidence without being bound by it
Expert witnesses enhance the efficiency, fairness, and accuracy of arbitral proceedings, especially in disputes involving technical, financial, or scientific complexity.

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