Privacy Policy

1. Introduction

Chem Mantra ("we", "our", or "us") operates the website www.chem-mantra.online and related services (the "Platform"). This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our Platform.

By accessing or using Chem Mantra, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

• Account Information: Name, email address, and profile picture collected when you sign in with Google.
• Usage Data: Pages visited, questions attempted, test scores, streaks, and learning progress.
• Payment Information: We use Razorpay and Stripe to process payments. We do not store card details — these are handled securely by our payment processors.
• Communications: Messages sent via WhatsApp or Telegram to our official channels for support or learning assistance.
• Device Information: Browser type, IP address, and device identifiers for security and analytics.

3. How We Use Your Information

• To provide, operate, and improve the Platform and its features.
• To personalise your learning experience and track your progress.
• To process payments and manage your subscriptions.
• To send important updates, learning tips, and promotional communications (you may opt out at any time).
• To respond to your queries and provide customer support.
• To detect, investigate, and prevent fraudulent transactions or abuse.

4. Sharing of Information

We do not sell or rent your personal data. We may share information with:

• Service Providers: Supabase (database), Vercel (hosting), Razorpay and Stripe (payments), Google (authentication) — each bound by their own privacy terms.
• Legal Requirements: If required by law or to protect the rights and safety of our users or the public.

5. Cookies and Tracking

We use session cookies for authentication and local storage to save your preferences. We do not use third-party advertising cookies. Analytics data is used solely to improve the Platform.

6. Data Retention

We retain your account data for as long as your account is active. You may request deletion of your account and associated data at any time by contacting us. Payment records are retained as required by applicable law.

7. Security

We implement industry-standard security measures including HTTPS encryption, server-side authentication, and access controls. However, no method of transmission over the internet is 100% secure.

8. Children's Privacy

Our Platform is intended for students aged 15 and above. We do not knowingly collect personal data from children under 13. If you believe we have inadvertently collected such data, please contact us immediately.

9. Your Rights

You have the right to:

• Access the personal data we hold about you.
• Request correction of inaccurate data.
• Request deletion of your account and data.
• Opt out of marketing communications.

To exercise any of these rights, email us at admin@chem-mantra.online.

10. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of significant changes by posting the new policy on this page with an updated date.

11. Contact Us

If you have any questions about this Privacy Policy, contact us at: