Privacy Policy

1. Introduction & Scope

Welcome to Vision Institute ("we", "our", or "us"), accessible at https://visioninstitute.in. We are an independent educational initiative dedicated to empowering students of WBBSE (Class 5–10), WBCHSE (Class 11–12), and NCERT / CBSE (Class 5–10) with comprehensive textbook exercise solutions, chapter-wise notes, diagrams, and mock tests.

This Privacy Policy document explains how personal and non-personal data is collected, processed, stored, and safeguarded when you visit our website, sign in with your Google account, post comments in discussions, subscribe to our educational newsletter, or interact with our learning materials.

2. Information We Collect

We collect information in two ways: information you choose to provide voluntarily, and technical data collected automatically during your visit.

A. Personal Information Voluntarily Provided

• Firebase Google Authentication: When you sign in using your Google account to participate in discussions, we receive your public profile details from Google OAuth: your Full Name, Email Address, Profile Avatar Photo URL, and a unique Firebase User ID (UID). We never request, collect, or store your Google password.
• Interactive Comments & Doubts: When you write a comment or ask a question under an article, your submitted comment text, author name, avatar photo, and creation timestamp are saved.
• Email Newsletter Subscriptions: When you subscribe to our newsletter via our subscription form, we collect and store your email address.
• Contact Inquiries: When you send a message through our Contact Us page, we collect your name, email address, and inquiry text.

B. Information Collected Automatically

• Log Files & Technical Identifiers: Like most web servers, our hosting infrastructure records standard log files, including your Internet Protocol (IP) address, browser type and version, Internet Service Provider (ISP), date/time stamps, referring/exit pages, and click paths.
• Usage & Engagement Metrics: We track anonymous page views, scroll depth, article read durations, and post engagement (likes and view counts) via Google Analytics 4 and Firebase Firestore.
• Local Storage (UI Preferences): When you toggle Day Vision or Night Vision (Dark Mode), your visual preference is saved locally on your device in browser localStorage (vi-theme) so your preference persists across page navigations.

3. How We Use Your Information

We use the collected information strictly for legitimate educational, operational, and safety purposes, including to:

• Provide, operate, and continuously improve our educational content, textbook solutions, and chapter notes.
• Authenticate registered users and enable community interaction, allowing students to post questions, edit or delete their comments, and like articles.
• Deliver high-speed, instant client-side search across thousands of questions and topics in our database.
• Send educational announcements, syllabus updates, Madhyamik/board exam suggestions, and new article alerts to subscribed students (with instant 1-click opt-out).
• Respond promptly to student questions, technical issues, and feedback submitted via the contact form.
• Monitor website uptime, prevent automated bot attacks, curb spam comments, and ensure data security.
• Display relevant, compliant advertisements through Google AdSense to sustain free server and maintenance costs for all learners.

4. Google AdSense & Third-Party Advertising Policy

Vision Institute partners with Google AdSense (Publisher ID: ca-pub-9900372640521805) to serve third-party advertisements across our pages. Advertising revenue helps keep our high-quality study materials completely free for every student.

DoubleClick / DART Cookie Disclosures

• Third-party vendors, including Google, use cookies to serve ads based on a user's prior visits to Vision Institute or other websites on the Internet.
• Google's use of advertising cookies (such as the DoubleClick / DART cookie) enables it and its partners to serve ads to our users based on their visits to our website and/or other sites across the web.
• These cookies do not collect personally identifiable information such as your name, email address, postal address, or telephone number.

5. Google Analytics (GA4)

We use Google Analytics 4 (Measurement ID: G-VT4RHWE94G) to monitor aggregated traffic patterns, popular chapters, visitor demographics (country/city level), and device compatibility.

Google Analytics processes data anonymously without linking IP addresses to individual identities. You can prevent Google Analytics from recording your browsing activity on Vision Institute and all other websites by installing the official browser add-on:

6. Firebase Authentication & Google Sign-In

To make commenting and community discussions secure and hassle-free, Vision Institute utilizes Google Firebase Authentication.

• No Password Storage: Authentication occurs via Google's official OAuth 2.0 popup protocol. Vision Institute never handles, views, or stores your Google password.
• Data Stored: We only store your public Display Name, Email, Avatar URL, and Firebase UID for session validation and to attribute comments to your profile.
• Session Control: You can sign out at any time using the Sign Out button located in the top navigation bar user menu.

7. Public Comments & Community Interactions

Our single blog posts and chapter solution pages feature a real-time discussion section powered by Google Firebase Cloud Firestore.

• Public Visibility: Any comment you submit on a post is publicly visible to all website visitors along with your display name, profile avatar, and timestamp.
• User Control: Authenticated users have the ability to edit or delete their own published comments directly within the comment section.
• Moderation: To ensure a constructive, safe learning environment for students, our administrators reserve the right to review, edit, hide, or permanently remove comments containing profanity, bullying, commercial promotion, unauthorized links, or academic dishonesty.

8. Email Newsletter & Communications Policy

Students and teachers who voluntarily subscribe to our newsletter receive academic announcements, Madhyamik/curriculum suggestions, and new notes notifications.

• Strict Anti-Spam Policy: We hate spam as much as you do. We will never sell, rent, lease, or share your email address with third-party telemarketers or advertisers.
• Data Storage: Subscriber emails are stored securely in our protected server repository (/admin/data/) with access restricted to administrators.
• Instant Unsubscribe: Every broadcast email provides a direct opt-out link. You may also unsubscribe at any time via /admin/unsubscribe.php or by sending a request to info@visioninstitute.in.

9. Contact Form Submissions

Inquiries submitted via our Contact Us page are processed securely using FormSubmit.

The information you provide (Name, Email Address, and Question) is utilized exclusively to respond to your inquiry and provide educational support. Contact submissions are not added to promotional newsletter lists without explicit opt-in.

10. Children's Online Privacy & Protection of Students

Vision Institute is primarily an educational website built for school students from Class 5 through Class 10/12 (ages 10 to 18). Protecting young learners' privacy online is of paramount importance to us.

• We strictly comply with the principles of the Children's Online Privacy Protection Act (COPPA) and India's Digital Personal Data Protection (DPDP) Act.
• We do not knowingly collect personal identifiable information from children under the age of 13 without parental or guardian knowledge.
• All study materials, syllabus solutions, questions, and revision notes are accessible openly without requiring children to register, log in, or submit personal information.
• We encourage parents, guardians, and educators to guide and observe their children's internet browsing activities.

11. Cookies, Web Beacons & Local Storage

Our website utilizes cookies and browser storage technologies to deliver essential functionality:

• Essential & Functional Cookies: Necessary for maintaining user sessions when signed in via Firebase and rendering dynamic components.
• Theme Preference (Local Storage): We store your chosen display theme (Day Vision or Night Vision) in browser localStorage so your eyes remain comfortable on future visits.
• Analytics Cookies: Set by Google Analytics to help us evaluate website traffic and improve study guides.
• Advertising Cookies: Set by Google AdSense and third-party advertising partners to deliver relevant advertisements.

You can configure your web browser (Chrome, Edge, Firefox, Safari) to reject cookies or notify you when cookies are sent. Please note that disabling cookies may affect certain interactive features, such as remaining signed in to post comments.

12. Data Security & Retention

We take data security seriously and employ appropriate technical and operational measures to protect your information against unauthorized access, alteration, or disclosure:

• SSL / HTTPS Encryption: All communications between your device and Vision Institute are encrypted using modern Transport Layer Security (TLS/SSL).
• Cloud Security Rules: Firebase Firestore databases are protected with strict security rules restricting unauthorized access.
• Server-Side Protection: PHP endpoints (such as newsletter subscriptions) are safeguarded with IP-based rate limiting, honeypot anti-spam traps, and input validation.
• Data Retention: Personal data (such as comments or subscriber emails) is retained only for as long as needed to support website features or until you request its deletion.

13. Your Data Protection Rights

Under applicable privacy laws—including the Indian Digital Personal Data Protection (DPDP) Act, European General Data Protection Regulation (GDPR), and global privacy frameworks—you have rights regarding your personal data:

• The Right to Access: You have the right to request confirmation and copies of personal data held about you.
• The Right to Rectification: You have the right to request correction of inaccurate or incomplete personal information.
• The Right to Erasure (Deletion): You have the right to request the permanent deletion of your comments, email address from our newsletter list, or user account association.
• The Right to Withdraw Consent: You have the right to withdraw your consent to data processing (e.g., unsubscribing from emails) at any time.

To exercise any of these rights, please contact our support team at info@visioninstitute.in. We respond to all verified requests promptly.

14. External Third-Party Links

Our website contains links to our official educational channels on third-party platforms, including:

• YouTube: @MilonDadarTuition
• WhatsApp Channel: Vision Institute Channel
• Telegram Channel: Vision Institute Community
• Social Media: Facebook, Instagram, and Twitter (X).

Please note that once you navigate away from visioninstitute.in, this Privacy Policy no longer applies. We encourage you to review the privacy policies of any third-party website or application you visit.

15. Changes to This Privacy Policy

We may update our Privacy Policy periodically to reflect changes in our educational offerings, technical implementations, or legal requirements.

Whenever changes are made, the revised policy will be posted on this page with an updated "Last Updated" date at the top. We encourage visitors and students to review this page periodically to stay informed about how we safeguard their information.

16. Contact Information & Grievance Redressal

If you have questions, concerns, or requests regarding this Privacy Policy or your personal data, please contact our administrative team: