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# CDSCO Medical Device Dossier: Documentation Requirements

The device dossier is the foundation of your CDSCO import license application. A well-structured dossier with all 21 required sections demonstrates your device's safety, effectiveness, and compliance with Indian regulations. Inadequate documentation is the leading cause of application delays and rejections.

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At a glance

Dossier sections

21

Common mistakes

7

Prep timeline

2-6 months

## The 21 sections of a CDSCO device dossier

01

### Executive Summary

High-level overview of device, intended use, classification, and regulatory history in other markets.

02

### Device Description and Specifications

Detailed technical description including materials, dimensions, components, and functional principles.

03

### Intended Use and Indications

Clear statement of medical purpose, target patient population, and clinical conditions addressed.

04

### Classification Rationale

Explanation of how classification rules apply to the device, including rule number and justification.

05

### Essential Principles Checklist

Systematic verification of conformity with each applicable Essential Principle under Medical Device Rules.

06

### Design and Manufacturing Information

Engineering drawings, process flowcharts, critical suppliers, and manufacturing site details.

07

### Risk Management File

ISO 14971-based risk analysis, risk control measures, and residual risk assessment.

08

### Verification and Validation

Design verification, validation protocols, and results demonstrating device meets specifications.

09

### Software Documentation

For software-enabled devices: software lifecycle documentation, validation, and cybersecurity assessment.

10

### Biocompatibility Evaluation

ISO 10993-based biological safety assessment for devices with patient contact.

11

### Sterilization Validation

For sterile devices: sterilization process validation, SAL documentation, and sterility assurance.

12

### Shelf Life and Stability

Accelerated and real-time aging studies supporting claimed device shelf life.

13

### Clinical Evaluation Report

Systematic literature review, clinical data analysis, and equivalence demonstration if applicable.

14

### Post-Market Surveillance Plan

Procedures for adverse event reporting, periodic safety updates, and vigilance activities.

15

### Quality Management System

ISO 13485 certificate and quality manual demonstrating manufacturing controls.

16

### Notified Body Conformity

For non-Class A devices: notified body assessment report and CE certificate or equivalent.

17

### Labeling and Instructions for Use

Draft labels, packaging artwork, and IFU in English and Hindi/other local languages as required.

18

### Animal Studies (if applicable)

Preclinical animal study reports for devices without substantial clinical history.

19

### Human Factors and Usability

Usability engineering documentation demonstrating safe and effective user interaction.

20

### Predicate Comparison

For substantial equivalence route: detailed comparison with legally marketed predicate device.

21

### Declaration of Conformity

Manufacturer declaration confirming device meets all applicable regulatory requirements.

## Class-specific requirements summary

### Class A (Non-sterile, Non-measuring)

45-60 days

Sections 1-5, 7, 15, 17, 21. Self-certification route available (MDS-1).

### Class A (Sterile or Measuring)

60-90 days

All sections except 18 (if not applicable). Notified body certificate required.

### Class B

90-120 days

All sections except 18 (if not applicable). Notified body assessment mandatory.

### Class C

120-180 days

Full dossier including clinical evidence. Notified body and extensive documentation.

### Class D

180+ days

Full dossier with comprehensive clinical data. Longest review timeline.

## Common dossier mistakes to avoid

Insufficient clinical evidence for higher-class devices — literature reviews must be comprehensive

Missing risk management traceability — risks must be linked to design controls and verification

Inadequate biocompatibility data — tests must cover all patient-contacting materials

Software documentation gaps — missing cybersecurity assessment for connected devices

Shelf life claims without supporting stability data — accelerated aging alone is insufficient

Labeling not in required languages — English is mandatory; Hindi may be required

Inconsistent information across sections — dossier must be internally coherent

## Frequently asked questions

### Can I reuse my EU MDR technical documentation for CDSCO?

Yes, much of your EU MDR technical documentation can be adapted for CDSCO, but direct submission is not sufficient. CDSCO has specific format preferences and requires additional India-specific elements like Authorized Agent appointment. The Essential Principles align closely with EU GSPR, but you must map compliance to Indian requirements specifically. Clinical data from EU submissions is generally acceptable.

### What if I don't have clinical data for my device?

For Class A and most Class B devices, clinical data may not be required if the device is substantially equivalent to a predicate with established safety history. For Class C/D devices, clinical evidence is mandatory. Options include: systematic literature review of equivalent devices, clinical investigation reports, or documented clinical experience from other regulated markets. CDSCO may require Indian clinical data for novel high-risk devices.

### How do I demonstrate equivalence to a predicate device?

Create a detailed side-by-side comparison covering: intended use, technological characteristics (materials, design, energy source), performance specifications, and biological safety. Explain any differences and why they don't affect safety or effectiveness. The predicate must be legally marketed in India or a reference regulatory market (US, EU, Australia, Canada, Japan).

### Is software documentation required for all software-enabled devices?

Yes, but the extent varies by software's role. Software that is the device itself (SaMD) requires full software lifecycle documentation including cybersecurity. Software in a medical device (SiMD) requires validation but less extensive documentation. AI/ML-enabled devices face additional scrutiny and may require algorithm validation datasets and performance metrics.

### What is the typical dossier preparation timeline?

Dossier preparation typically takes 2-6 months depending on existing documentation. If you have complete EU MDR or FDA 510(k) documentation, adaptation may take 4-8 weeks. Starting from scratch requires: technical file compilation (4-8 weeks), risk management documentation (2-4 weeks), clinical evaluation (4-12 weeks), and quality system certification (ongoing). Plan 6 months for first-time applicants.

**Disclaimer:** This guide reflects current CDSCO dossier requirements under the Medical Device Rules 2017. Documentation expectations may evolve with regulatory guidance. Always verify current requirements with official CDSCO notifications.

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