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Thesis Guide20 min read5 December 2025

DNB Thesis: Complete Guide from Protocol to NBEMS Approval

Official NBEMS guidelines for thesis protocol, writing, submission, and modifications. Word limits, IEC/SRC composition, fees, deadlines, and step-by-step instructions.

DNB Thesis: From Protocol to NBEMS Approval

Complete guide based on official NBEMS guidelines. Everything you need to know about thesis protocol, writing, submission, and modifications.

📋 Official Source: This guide is based on official NBEMS guidelines from natboard.edu.in/thesisonline/archive. Always verify current guidelines as rules may change.

⏰ Critical Deadlines (As Per NBEMS Guidelines)

3 MonthsProtocol submission to NBEMS (from date of joining)
30 JuneThesis submission deadline for December final exam
31 DecemberThesis submission deadline for June final exam
6 WeeksModified thesis resubmission (from communication date)

Warning: Candidates who fail to submit thesis by cutoff date shall NOT be allowed to appear in DNB final examination.

Part 1: Thesis Protocol

The protocol is a study plan designed to describe the background, research question, aim and objectives, and detailed methodology. It is the "operating manual" to refer to while conducting your study.

Protocol Word Limits (NBEMS Prescribed)

SectionWord/Character Limit
Title120 characters (with spacing)
Synopsis (Structured)250-300 words
Introduction300-500 words
Review of Literature800-1000 words
Aim and ObjectivesUp to 200 words
Material and Methods1200-1600 words
References10-25 references (ICMJE style)

Ethics & Scientific Committee Approval (Mandatory)

It is mandatory to have Ethics Committee and Scientific Research Committee approval before initiation of research work.

Institutional Ethics Committee (IEC) Requirements

  • Must be multidisciplinary and multi-sectorial in composition
  • Must be registered with Drug Controller General of India (DCGI)
  • Should follow ICMR Biomedical Research Guidelines
  • Committee size: 8-12 members (minimum 5 for quorum)
  • Chairman must be from outside the institution

IEC Composition (As per NBEMS):

  • • Chairperson (from outside institution)
  • • 1-2 persons from basic medical science area
  • • 1-2 clinicians from various institutes
  • • One legal expert or retired judge
  • • One social scientist/NGO representative
  • • One philosopher/ethicist/theologian
  • • One lay person from community
  • • Member Secretary (from same institution)

No IEC at your hospital? The hospital may tie up with a nearby institution having DCGI-registered IEC. A Memorandum of Understanding must be submitted to NBEMS Accreditation Department.

Scientific Research Committee (SRC) Requirements

SRC Composition (As per NBEMS):

  • • Head of Institute (Chairman)
  • • Statistician
  • • Professor/Sr. Consultant from other hospitals/institutions
  • • Guide & Co-Guide(s) of concerned DNB trainee
  • • Basic Sciences Faculty

Note: SRC must be constituted in-house. All Guide/Co-Guides act as ex-officio members.

Protocol Submission to NBEMS

Research Ethics Warning:

Issues like Plagiarism, not maintaining confidentiality of data, or any other distortion of the research process will be viewed seriously. The primary responsibility of ensuring ethical conduct is on the thesis guide.

Part 2: Thesis Writing Guidelines

Thesis Format Requirements (NBEMS Prescribed)

RequirementSpecification
Maximum Pages80 pages (including text, figures, references, annexures, certificates)
FontTimes New Roman / Arial / Garamond, Size 12
Spacing1.5 line spacing
Margins1 inch on all four sides
PrintingBoth sides of paper, no blank pages
Page NumbersEvery page must be numbered
ReferencesCited in superscripts in text

Section-wise Page Limits (NBEMS Recommended)

SectionRecommended Pages
Introduction2 pages
Review of Literature10-12 pages
Discussion8-10 pages

General Layout of DNB Thesis

Title

Should be brief, clear, focus on central theme, avoid abbreviations. Must contain PICO elements (Population, Intervention, Comparison, Outcome).

Introduction

Focused on research question, directly relevant to objectives. Limit to 2 pages.

Review of Literature

Only contemporary and relevant literature. Include most relevant and recent studies. Limit to 10-12 pages.

Aim and Objectives

'Aim' = what would be broadly achieved. 'Objectives' = stem from research question, include participants, intervention, evaluation, design.

Material and Methods

Must include 10 elements: Study setting, Study duration, Study design, Study sample (inclusion/exclusion), Intervention, Data collection, Outcome measures (primary/secondary), Sample size, Data management & Statistical analysis, Ethical issues.

Results

Organized in identifiable sections with correct analysis. Present in appropriate charts, tables, graphs, diagrams.

Discussion

Start by summarizing results (without data). Compare your results with earlier studies. Limit to 8-10 pages.

Summary and Conclusion

Arrange in 4 paragraphs: (a) background & objectives, (b) methods, (c) results, (d) conclusions. Conclusions must strictly pertain to findings.

Appendices

Include: questionnaire, interview schedules, observation checklists, informed consent form (ICF), participant information sheet (PIS).

Important Guidelines from NBEMS

  • Number of cases should be adequate based on hospital attendance/records
  • Data collection period: around 6-12 months
  • Use only clinical/laboratory data easily accessible in existing facilities
  • Techniques need not be described in detail unless modifications are used
  • Illustrative material should be restricted and printed on paper (no separate photo pasting)
  • Statistical methods must be described specifically for each objective with software name
  • DNB residents can freely use surgical pathology/autopsy data if restricted to diagnosis only
  • Clinical residents are not ordinarily expected to undertake experimental work or use unavailable chemicals/radioisotopes

Part 3: Thesis Submission to NBEMS

Submission Portal

Online application available at: https://natboard.edu.in/thesisonline/index

Fees

Fresh Thesis Assessment

₹3,500/-

(excluding gateway charges)

Modified Thesis Assessment

₹1,800/-

(excluding gateway charges)

Documents Required with Thesis

  • Print out of online application form duly signed and stamped by all authorities
  • Synopsis of thesis (hard copy + soft copy uploaded online)
  • Copy of letter of registration with NBE
  • IEC and SRC approval
  • Annexure Publication
  • Declaration: Signed by Trainee, Guide, Co-Guide (if any), and Head of Institution with rubber stamp

Critical Warning:

Declaration must be signed by Trainee, Guide, and Head of Institution. Failing which thesis shall not be considered.

Late Submission

Submission after cutoff date will invite a penalty (informed individually by NBEMS). Incomplete submission forms will not be considered.

Part 4: Modified Thesis Submission

If assessors require modifications, you must resubmit within the stipulated time.

Modified Thesis Requirements (From NBEMS Guidelines)

  • 1.Thesis must be modified strictly in accordance with assessor observations
  • 2.Must be hard bound with front cover in standard format, labeled as "MODIFIED THESIS"
  • 3.Modifications done in thesis should be appropriately flagged
  • 4.Deadline: Within 6 weeks of communication issuance
  • 5.Fee: ₹1,800/- (excluding gateway charges)

Documents with Modified Thesis

  • A summary of thesis and modifications incorporated
  • Print out of online application form duly signed and stamped
  • Declaration that thesis has been modified as per suggestion of assessor - signed by Candidate, Guide, and Head of Institution

Important: Candidates are advised NOT to canvass with NBE/assessor for assessment of thesis.

Contact Information

📧 Email

thesis@natboard.edu.in

Note: No inquiries regarding thesis assessment status prior to 4 months after thesis submission will be entertained.

Always mention your Name, Subject, Registration No., and Date of submission in any correspondence with NBE. Inform any address changes to thesis@natboard.edu.in for timely communication.

Quick Checklist

Protocol Phase

Thesis Writing Phase

Submission Phase

Thesis is mandatory for DNB degree. Start early, follow NBEMS guidelines exactly, and maintain regular communication with your Guide. Good luck!

Source: Official NBEMS Guidelines from natboard.edu.in/thesisonline/archive