Last Updated: 25 May 2026
Version: 1.0
App Name: Tisra Netra
Purpose: AI-powered assistive application for visually impaired users
Introduction
Information We Collect
How We Use Your Information
Data Sharing & Third Parties
Data Security
Your Rights & Choices
Data Retention
Children's Privacy
International Data Transfers
Contact Us
Welcome to Tisra Netra("we," "our," "us," or "Company"). We are committed to protecting your privacy and ensuring you have a positive experience on our mobile application and related services (collectively, the "Service").
This Privacy Policy explains:
What information we collect
How we use that information
Your choices regarding your information
How we protect your data
Scope: This Privacy Policy applies to Tisra Netra mobile application (Android/iOS), website, and related services. It does NOT apply to third-party services linked from Tisra Netra.
By using Tisra Netra, you agree to this Privacy Policy. If you do not agree, please do not use our Service.
Account Registration:
Name
Email address
Age
Preferred language(s)
Emergency contact information (phone)
Profile Information:
Disability type (blind/low vision)
Severity level (blind/partially blind)
Preferred communication method (voice/text)
Accessibility preferences
Personal interests/hobbies
Face Recognition Registration (Optional):
Photos of family members/friends for identification
Relationship to each person
Names/nicknames
Volunteer Information (if volunteering):
Full name, email, phone
Background check authorization
Availability/schedule
Qualifications
Profile information
Payment Information (if applicable):
For premium features: Payment method (credit/debit card, UPI, etc.)
Billing address
Transaction history
Note: We use Stripe/Razorpay for payment processing; we do NOT store complete card details
Device Information:
Device model and OS (Android/iOS)
App version
Device ID (IMEI, Android ID)
Unique app identifier
Location Data:
GPS coordinates (when using navigation feature)
City/region information
Venue/landmark detection
How It's Used: Navigation assistance, obstacle detection, emergency location sharing
Control: Users can enable/disable location sharing per feature
Camera & Microphone Data:
Camera frames (for OCR, object detection, face recognition)
Audio recordings (for voice commands)
Important: Camera/audio data is processed locally on device by default; NOT uploaded to cloud unless user explicitly requests volunteer assistance or cloud backup
Control: Users can disable camera/microphone at any time
Usage Data:
Features accessed (OCR, navigation, emergency SOS, etc.)
Duration of app usage
Time of day/frequency
Errors encountered
Voice command transcripts (temporary, for improvement only)
Search queries
Analytics:
Session information
Crash reports
Performance metrics
User interactions
Network Information:
IP address
WiFi/mobile network information
Internet connectivity status (online/offline)
We do not give any information to third parties
Core Service Delivery:
Enable OCR (text reading) functionality
Provide real-time navigation and obstacle detection
Identify faces and recognize people
Detect objects and describe scenes
Process voice commands
Provide emergency SOS functionality
Connect you with volunteers when needed
Offer AI chat assistance
Recognize colors and currencies
Offline Functionality:
Store and process data locally on your device
Sync data to cloud only when you go online (if enabled)
Maintain offline-first operation
Account Management:
Create and manage your account
Verify your identity
Process payments for premium features
Send account-related notifications
Communication:
Send push notifications about features, updates, safety alerts, helps
Respond to your support requests
Send newsletters/educational content (with consent)
Service Improvement:
Analyze usage patterns to improve features
Fix bugs and optimize performance
Develop new features based on user needs
Conduct user research and surveys
Legal & Safety:
Comply with legal obligations
Enforce terms of service
Investigate fraud/misuse
Protect user safety and security
Volunteer Network:
Match you with qualified volunteers
Share relevant information (what you need help with)
Rate and improve volunteer service
Emergency Response:
Share your location with emergency contacts
Make call emergency services if you trigger SOS
We DO NOT sell your personal data. We share information only in these cases:
Volunteers (When You Request):
Your location, what you need help with
Camera feed (if you share it)
Your voice/messages
Control: You can disable volunteer feature
Service Providers:
Cloud hosting: Firebase, Google Cloud (encrypted)
Payment processing: Stripe, Razorpay (PCI-DSS compliant)
Analytics: Google Analytics (anonymized)
All have data processing agreements; they cannot use data for their own purposes
Emergency Services (If SOS Triggered):
Your location
Emergency contact information
Video/audio from the moment of emergency
Medical information (if provided)
Law Enforcement (If Required):
Only with valid legal warrant/court order
We will notify you unless legally prohibited
Minimal data necessary
Grant Funders & NGO Partners:
De-identified usage statistics
Case studies (with explicit consent)
Impact metrics
No personal identifying information without consent
Business Partners (With Consent):
If you explicitly agree to share data with health insurance, employers, etc.
Service
Purpose
Data Shared
Privacy Policy
Firebase
Cloud storage, auth, notifications
Account data, analytics
https://policies.google.com/privacy
Google Maps API
Navigation, location
GPS coordinates
https://policies.google.com/privacy
Gemini API
AI text/image processing
Camera frames, text (encrypted)
https://policies.google.com/privacy
Stripe/Razorpay
Payment processing
Billing info (tokenized)
https://stripe.com/privacy, https://razorpay.com/privacy
Google Analytics
Usage analytics
Anonymized session data
https://policies.google.com/privacy
Twilio
SMS/voice communication
Phone number, messages
https://www.twilio.com/en-us/privacy
We do NOT share your data with advertisers
We do NOT allow third parties to track you through Tisra Netra
We do NOT use your data for personalized advertising (though you may see general ads for accessibility products)
Encryption:
Data in transit: TLS/SSL 1.2+ encryption
Data at rest: AES-256 encryption in cloud databases
End-to-end encryption option for sensitive messages
Access Control:
Password-protected accounts
Role-based access
Offline Security:
Data stored locally on device is encrypted and secure
User authentication required to access app's all feature
Infrastructure Security:
Firebase: Google's enterprise-grade security
Regular security audits & penetration testing
DDoS protection
Intrusion detection systems
Team Security:
Background checks for team members with data access
Confidentiality agreements
Privacy & security training
Minimal data access principle
No Guarantee: While we implement strong security, no system is 100% secure. We cannot guarantee absolute security of your data.
Your Responsibility:
Keep your password confidential
Use strong, unique passwords
Keep your device updated
Report suspicious activity immediately
If we discover a breach affecting you, we will notify you within 72 hours
Notification will include: what data was affected, when, what we're doing about it, what you should do
We will cooperate with law enforcement if required
You have the right to:
Access: Request a copy of all personal data we hold about you
Submit request via: Abhimanmandal123@gmail.com
Response time: Within 30 days
Format: Downloadable file (JSON/CSV)
Rectification: Correct inaccurate data
Update directly in app settings, or
Submit correction request to Abhimanmandal123@gmail.com
We will update within 15 days
Deletion: Request deletion of your data ("Right to be Forgotten")
Via app settings: Delete account
Or email: Abhimanmandal123@gmail.com
We will delete within 30 days (except where legally required to retain)
Some data may remain in backups for up to 90 days
Portability: Export your data in portable format
Available in app under Settings > Data Export
Or request via: Abhimanmandal123@gmail.com
Opt-Out: Stop receiving marketing communications
Unsubscribe link in every email
Turn off notifications in app settings
Object: Oppose processing of your data for specific purposes
Request via: Abhimanmandal123@gmail.com
We will stop within 15 days (except where legally required)
Camera & Microphone:
Enable/disable camera anytime
Enable/disable microphone anytime
Grant permission per-feature (e.g., navigation, volunteer assist)
Location:
Enable/disable GPS tracking
Grant location access only during active use
Disable emergency location sharing
Data Sharing:
Choose whether to sync data to cloud
Choose whether to enable volunteer assistance
Choose which data volunteers can access
Notifications:
Turn on/off all push notifications
Choose notification types
Set notification frequency
Analytics:
Opt-out of usage analytics (Settings > Privacy)
Still required for essential analytics (crash reports, etc.)
If you are in India:
Your rights are governed by Information Technology Act, 2000
You can request data access/deletion anytime
If you are in Europe (GDPR):
You have additional rights under General Data Protection Regulation
Data transfer agreements comply with GDPR
If you are in USA/California (CCPA):
You have rights under California Consumer Privacy Act
We comply with CCPA requirements
Account Data:
Retained while account is active
Deleted within 30 days of account deletion
Some data (emergency contact) retained 6 months (in case of emergency)
Camera/Audio Data:
Offline: Stored locally on your device; you control deletion
Cloud: Not stored; processed in real-time only if you share with volunteer
Volunteer Sessions: Deleted after 30 days (or when you delete chat)
Location Data:
Navigation: Deleted 7 days after navigation session
Emergency SOS: Retained 90 days (for incident review/improvement)
Real-time tracking: Never retained (deleted as soon as you reach destination)
Analytics/Logs:
Aggregated usage data: 12 months
Individual session logs: 30 days
Error logs: 30 days
Payment Information:
Credit card data: NOT retained (payment processor only)
Transaction records: 7 years (for tax/compliance)
Volunteer Ratings/Feedback:
Retained indefinitely (for volunteer improvement + matching)
Anonymized after 1 year (volunteer's name removed)
Messages/Chat History:
Retained while account is active
Deleted when you delete conversation
Deleted within 30 days of account deletion
Backup copies: Deleted within 90 days of account deletion
Tisra Netra is NOT intended for children under 13 years old.
If a child under 13 uses Tisra Netra:
We do NOT knowingly collect personal information
If we discover child data was collected, we delete it within 30 days
Parents/guardians: Contact Abhimanmandal123@gmail.com immediately if your child's data was collected
For visually impaired children 13-18 years:
We require parental/guardian consent
Parents can access child's account data
Parents can delete account anytime
We comply with:
Children's Online Privacy Protection Act (COPPA) in USA
Indian laws on children's privacy
GDPR requirements for children (<16 years)
Data Locations:
Primary: India (Firebase - Google Cloud Mumbai region)
Backup: Global (Google Cloud multi-region)
Processing: May occur in India, USA, or EU
Data Transfer Agreements:
All transfers comply with applicable laws
Standard Contractual Clauses in place for international transfers
Adequacy decisions honored where applicable
For GDPR Users:
Data transferred from EU to India/USA
Adequate safeguards in place
You can request data remain in EU (may limit features)
For India Users:
Data primarily stored in India
Backup in global cloud (encrypted)
Compliance with Indian data localization requirements
Email: Abhimanmandal123@gmail.com
Phone: +91 7050855141
Address: Jharkhand, India
Response Time: 30 days for formal requests, 7 days for general questions
If you're unsatisfied with our response:
In India:
Contact: National Informatics Centre (NIC) Data Protection Authority
Website: https://www.dpadataprotection.gov.in
Or: Indian Computer Emergency Response Team (CERT-In)
In Europe:
Contact: Your local Data Protection Authority
Find yours: https://edpb.ec.europa.eu/about-edpb/board/members_en
In USA:
Contact: Federal Trade Commission (FTC)
Website: https://reportfraud.ftc.gov
We may update this policy anytime
Material changes: We will notify you via email + in-app notification
Minor changes: Posted without notification
Your continued use = acceptance of updated policy
Last updated: May 2026
Tisra Netra Privacy Policy itself is accessible:
Available in text format (this document)
Audio version available (read-aloud)
Large print version available
Contact:Abhimanmandal123@gmail.com for alternative formats
We recognize that your disability status is sensitive:
Disability type/severity shared only with people you authorize (volunteers, family)
NOT shared with advertisers, insurance companies, employers without explicit consent
You control who sees this information
For safety, some data is always retained:
Emergency contact information: 6 months minimum
Emergency SOS location: 90 days minimum
This is necessary for your safety and cannot be deleted
END OF PRIVACY POLICY
This Privacy Policy is effective immediately. By using Tisra Netra , you accept these terms.
Version: 1.0
Last Updated: May 2026
Next Review: August 2026
For questions: Abhimanmandal123@gmail.com