Privacy Policy

1. Introduction & General Scope

Welcome to PadhnaLikhna. Your privacy and digital safety are paramount to our core mission. This comprehensive Privacy Policy dictates our practices concerning the automated collection, persistent storage, rigorous protection, and ethical disclosure of your information through our platform. This policy encompasses all interactive services including our NCERT Class 6 to 12 Solutions, the Physics Calculator Pro, our extensive CBSE Board Exams Portal, and our multilingual tools such as the Amar Hindi Font Converter.

2. Data We Collect & How We Acquire It

PadhnaLikhna operates primarily as an accessible, ad-supported educational tier. To deliver our robust suite of tools reliably, we monitor network metadata in the following ways:

• Information You Voluntarily Provide: This includes authentication data (using Firebase Auth) if you choose to create a profile to save your NCERT workbook progress or unlock cloud-synced dictionary features.
• Automated Analytics & Telemetry: We collect behavioral metrics such as which calculators (e.g. Chemistry Calculator Pro) are most heavily utilized. This is strictly aggregated and anonymized.
• Device & Network Metrics: We collect non-identifiable user-agent strings, geolocation (city-level via IP address), and mobile OS versions. This allows us to ensure our responsive UI scales perfectly to your device.

3. Deep Dive into Cookie Policy (Critical for Users)

Cookies are small text parcels stored on your browser. We heavily utilize cookies not just for maintaining your logged-in session securely, but also for personalizing the delivery of advertisements that keep PadhnaLikhna free.

• Essential Cookies: Used to temporarily store your calculator state (e.g., your variables in the Thermodynamics calculator) so that if you refresh the page accidentally, your hard work isn't lost.
• Advertising Cookies (Google AdSense): Third-party vendors, including Google, use cookies to serve highly-relevant ads based on a user's prior visits to our website or other websites across the Internet.
• Analytics Cookies: We utilize Google Analytics (GA4) with IP anonymization enabled to understand global learning trends.

Opting Out: You have the permanent right to opt out of personalized advertising by visiting Google's Ads Settings. You may also employ ad-blockers, though we ask you to consider whitelisting us to support independent Indian education.

4. Global Regulations Compliance (GDPR & CCPA)

Although PadhnaLikhna serves primarily the Indian educational sector, our infrastructure complies with foundational global regulatory laws regarding digital privacy:

• Right to Erasure: Any authenticated user may request the total deletion of their account databases by contacting us. We will execute the purge within 72 hours.
• Right to Portability: Users may export their customized word-lists or saved chapter progress in standard JSON formatting.

5. COPPA & Children's Digital Sandbox

As an NCERT-compliant platform primarily utilized by students (many of whom are minors), we employ a "zero profiling" approach for minors. Our content filtering engines within the Secure Multilingual Translator rigorously block queries involving unsafe or inappropriate language. We aggressively advise parents to co-navigate the platform with younger students.

6. Corporate Directives & Contact Data

This Privacy Directive is subject to modification as we deploy new architectural features (such as impending AI-powered question solvers). All modifications are tracked publicly. For grievances, Data Subject Access Requests (DSAR), or Ad compliance matters, route all electronic mail to: support@padhnalikhna.com