Before filing a cybercrime complaint, a person should gather detailed information about the incident, including dates, times, and the nature of the crime. Evidence like screenshots, transaction details, communication records (emails, messages), and device information (IP address, device type) should also be collected. Additionally, personal identification (ID proof and address proof) and any relevant financial information, like bank statements or transaction IDs, are necessary.
Specific Types of Evidence:
Personal Information:
Name, contact details, and ID proof (Aadhaar, PAN, passport, etc.) are needed for identification.
Incident Details:
A clear, detailed description of the incident, including dates, times, and a thorough explanation of what happened, is essential.
Financial Fraud:
If the crime involves financial loss, provide bank statements, transaction IDs, and any receipts or records of online transfers.
Communication Records:
Save emails, messages (SMS, chat logs), and any other communication related to the incident.
Screenshots:
Capture screenshots of threatening messages, fraudulent transactions, fake profiles, or any other relevant visuals.
Device Information:
Note the date, time, device type, and IP address (if available) of the device used during the crime.
URLs:
If the crime involved a website or online platform, include the URL.
Other Supporting Documents:
Any other documents, brochures, or pamphlets related to the incident can be helpful.

Before filing a cybercrime complaint, gather all relevant documents and evidence to support your claim. This includes personal information, details of the incident, financial records (if applicable), communication records, and any other supporting materials like screenshots or videos.
Here's a more detailed breakdown:
1. Personal Information:
Name and Contact Details: Provide your full name, address, phone number, and email address.
ID Proof: Include a copy of your national ID (Aadhaar card, Voter ID, Passport, etc.).
2. Incident Details:
Date and Time: Specify when the cybercrime occurred.
Detailed Description: Write a clear and concise description of the incident, including what happened, how it happened, and who was involved.
Location: Note the location where the incident occurred (if applicable, like a website or app).
3. Financial Fraud (If Applicable):
Bank Details:
If the crime involved financial transactions, provide the bank name, account number, transaction IDs (UTR number), and any relevant transaction details.
Transaction Proof:
Include bank statements, transaction receipts, or any other documents that prove the unauthorized transactions.
4. Communication Records:
Emails, Messages, Chat Logs:
Save and include copies of any relevant email conversations, messages, or chat logs that are related to the incident.
Call Records:
If the incident involved phone calls, include call logs or records of those conversations.
5. Supporting Evidence:
Screenshots: Capture screenshots of the crime scene, such as fraudulent messages, fake profiles, or any suspicious activity.
Website URLs: If the crime involved a website, include the URL of the webpage.
Videos and Images: Include any videos or images that support your complaint.
Device Information: Note the device used (phone, computer, etc.), its IP address (if available), and the date and time of the incident.
6. Other Important Information:
Witness Information:
If there were any witnesses to the incident, provide their names and contact information.
Any Other Relevant Information:
Include any other information that you think might be helpful in investigating the crime.
7. Prepare for Online Filing:
Cybercrime Portal:
Familiarize yourself with the cybercrime portal website and understand the specific requirements for filing a complaint online, such as document formats and file sizes.