Privacy Policy
Vivekananda Blood Bank - Blood Donation Portal
Effective Date: January 11, 2026
Last Updated: January 11, 2026
Welcome to the Vivekananda Blood Bank ("we," "our," or "us"). We are committed to protecting your personal information and your right to privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our blood donation platform.
By using our Service, you acknowledge that you have read, understood, and agree to be bound by this Privacy Policy.
1. Information We Collect
1.1 Personal Information You Provide
When you register as a blood donor, we collect:
- Account Information: Full name, email address, phone number, password (encrypted), date of birth
- Medical Information: Blood group, last donation date, total donations, donation history, health availability status
- Location Information: Division, District, Thana, current and permanent addresses
- Blood Request Information: Patient name, blood group needed, hospital details, contact information
1.2 Information Automatically Collected
- Device Information: IP address, browser type, operating system, device identifiers
- Usage Data: Pages visited, features used, time and date of visits
- Notification Data: OneSignal Player ID, FCM tokens, notification subscription status
- Cookies: Session cookies, preference cookies, analytics cookies (see Cookie Policy)
1.3 Third-Party Services
We use the following third-party services that may collect data:
- Google reCAPTCHA: For spam prevention
- OneSignal: For push notifications
- Google Maps: For location services
2. How We Use Your Information
2.1 Core Service Operations
- Match blood donors with blood requests
- Send notifications about matching blood requests
- Enable communication between donors and requesters
- Track donation eligibility (90-day safety rule)
- Maintain donation history records
2.2 Communication
- Send registration confirmation emails
- Send email verification codes (OTPs)
- Send blood request notifications
- Send account-related announcements
2.3 Service Improvement
- Analyze usage patterns and trends
- Monitor service performance
- Identify and fix technical issues
- Develop new features
3. How We Share Your Information
3.1 With Other Users
When you respond to a blood request: Your name, blood group, phone number, and location are shared with the requester.
When you submit a blood request: Patient details and your contact information are shared with matching donors.
3.2 Service Providers
We share information with trusted third-party providers:
- Email Services: For sending verification emails
- Push Notification Services: OneSignal and Firebase
- Hosting Providers: For website and database hosting
- Security Services: Google reCAPTCHA for spam prevention
3.3 Legal Obligations
We may disclose your information if required by law or to:
- Comply with legal processes (court orders, subpoenas)
- Protect our rights and safety
- Prevent illegal activities or fraud
4. Data Retention
Active Accounts: We retain your information for as long as your account is active plus a reasonable period thereafter.
Donation Records: Donation history records are retained indefinitely for medical record-keeping and public health statistics. Personal identifiers may be anonymized after 7 years.
Account Deletion: Upon request, your active profile will be deactivated, but some information may be retained for legal compliance.
5. Data Security
Security Measures
- Encryption: SSL/TLS encryption for data transmission (HTTPS)
- Password Security: Encrypted storage using bcrypt/hash algorithms
- Access Controls: Secure database access with authentication
- Regular Updates: Security patches and updates
- Firewall Protection: Network security measures
Data Breach Notification:
In the event of a data breach affecting your personal information, we will notify affected users within 72 hours and take steps to mitigate harm.
Your Responsibility
- Keep your password confidential
- Don't share your account credentials
- Log out from shared devices
- Report suspicious activity immediately
6. Your Privacy Rights
6.1 Access and Correction
- Right to Access: View your personal information anytime through your profile
- Right to Correct: Update your profile information directly
6.2 Data Portability
- Request a copy of your personal data in a machine-readable format
- Transfer your data to another service (where feasible)
6.3 Deletion and Deactivation
- Right to Deletion: Request deletion of your personal information
- Account Deactivation: Deactivate your account anytime through profile settings
6.4 Notification Preferences
- Opt-in or opt-out of push notifications anytime
- Uncheck "Willingness to Donate" to stop blood request notifications
- Block notifications in browser settings
How to Exercise Your Rights
Contact us at: privacy@vsspbd.org (example) or use profile settings
We will respond to your request within 30 days.
7. Children's Privacy
Our Service is not intended for individuals under 18 years of age. Blood donation requires donors to be at least 18 years old.
We do not knowingly collect personal information from children under 18. If you believe your child has provided us with information, please contact us immediately.
8. Cookies and Tracking
We use cookies and similar technologies to improve your experience. For detailed information, please see our Cookie Policy.
Types of Cookies We Use
- Essential Cookies: Required for login and security
- Functional Cookies: Store your preferences
- Analytics Cookies: Help us improve the service
- Notification Cookies: Enable push notifications
9. International Data Transfers
Our Service operates primarily in Bangladesh. Your information is stored on servers located in Bangladesh. By using the Service, you consent to this data storage and processing.
10. Changes to This Policy
We may update this Privacy Policy from time to time to reflect changes in our practices or applicable laws.
How We Notify You
- Email notification to registered users
- Prominent notice on our website
- Updated "Last Modified" date
For significant changes: We will provide at least 30 days' advance notice and require your explicit consent if required by law.
13. Contact Us
Acknowledgment
By using our Service, you acknowledge that:
- You have read and understood this Privacy Policy
- You agree to the collection, use, and disclosure of your information as described
- You are at least 18 years old
- You meet the eligibility requirements for blood donation registration
Thank you for trusting us with your personal information. Your privacy is important to us.
Vivekananda Blood Bank
An initiative of Vivekananda Shiksha O Sangskriti Parishad, Bangladesh
https://vsspbd.org
This Privacy Policy was last updated on January 11, 2026 • Version 1.0