Privacy & Refund Policy

When you visit or use csegyan.com, we may collect the following types of information:

Personal Information (provided by you)

• Name and email address (for account registration)
• Phone number (for WhatsApp-based support and delivery)
• Payment confirmation details — we do not store card, UPI, or banking credentials
• Login credentials for accessing purchased notes

Automatically Collected Information

• IP address and approximate geographic location
• Browser type, version, and device information
• Pages visited, time spent, and referring URLs
• Cookie identifiers and advertising IDs (see Section 2)

Our website uses cookies — small text files stored on your device — to improve your experience, analyze traffic, and serve relevant advertisements.

Types of Cookies We Use

Managing Cookies

You can control or delete cookies through your browser settings. However, disabling certain cookies may affect site functionality. Most browsers allow you to:

• View what cookies are stored on your device
• Delete all or specific cookies
• Block cookies from specific or all websites

We use Google AdSense to display advertisements on our website. Google AdSense is an advertising service provided by Google LLC.

How Google AdSense Works

Google uses cookies (such as the DoubleClick cookie) to serve ads based on your prior visits to our website and other sites on the internet. These cookies allow Google and its partners to:

• Serve ads personalized to your interests
• Limit how often you see the same ad
• Measure the effectiveness of ad campaigns
• Prevent fraudulent or invalid ad clicks

Interest-Based Advertising

Google may use information about your visits to this and other websites to show you advertisements about goods and services that may interest you. This is sometimes called interest-based advertising or personalized advertising.

Google's Privacy Policy

For more information on how Google collects and processes data, please visit: https://policies.google.com/privacy

We Do Not Control Ad Content

CS Engineering Gyan does not control the advertisements displayed by Google AdSense. We are not responsible for the content of third-party advertisements shown on our site.

We use Google Analytics to understand how visitors interact with our website. Google Analytics collects information such as:

• Number of visitors and page views
• Time spent on each page
• Geographic location (country/city level)
• Device type and browser used
• Traffic sources (search, social, direct, referral)

This data is aggregated and anonymized — it does not personally identify individual users. You can opt out of Google Analytics tracking by installing the Google Analytics Opt-out Browser Add-on.

We use the information we collect for the following purposes:

• To provide and manage access to purchased notes and the user dashboard
• To process and confirm payments and deliver digital content
• To respond to your queries and provide customer support
• To send purchase confirmations and important updates
• To improve our website, content, and user experience
• To display advertisements through Google AdSense
• To comply with legal obligations

We do not sell, rent, or trade your personal information with third parties for their marketing purposes.

We may share data only in the following limited circumstances:

• Google LLC — for AdSense advertising and Analytics services
• YouTube (Google LLC) — embedded tutorial videos on our site
• WhatsApp (Meta Platforms) — for order communication and delivery
• Legal requirements — if required by law, court order, or government authority

Our website contains links to external websites such as YouTube, WhatsApp, Instagram, and Facebook. These third-party sites have their own privacy policies, and we are not responsible for their content or privacy practices. We encourage you to review the privacy policies of any site you visit.

Our website is intended for use by college and university students (18 years and older). We do not knowingly collect personal information from children under the age of 13.

If you believe a child has provided us with personal information, please contact us at csengineeringgyan@gmail.com and we will promptly delete it.

You have the following rights regarding your personal data:

• Access: Request a copy of the personal data we hold about you
• Correction: Request correction of inaccurate or incomplete data
• Deletion: Request deletion of your account and associated data
• Opt-out of ads: Opt out of personalized advertising via Google Ad Settings
• Cookie control: Manage or disable cookies through your browser settings

To exercise any of these rights, contact us at csengineeringgyan@gmail.com.

All handwritten notes, content, images, and materials on this website are the intellectual property of CS Engineering Gyan and are protected under applicable copyright laws.

Purchased notes are licensed for personal, non-commercial use only. You may not:

• Resell or redistribute the notes in any form
• Share files via Telegram groups, WhatsApp, Google Drive, or any platform
• Upload or publish notes on the internet
• Use notes for commercial training or coaching purposes

If you have any questions, concerns, or requests regarding this Privacy Policy or your personal data, please contact us:

• Email: csengineeringgyan@gmail.com
• WhatsApp: +91 8679125709
• Website: csegyan.com

We reserve the right to update this Privacy Policy at any time. Changes will be reflected on this page with an updated "Last Updated" date. Continued use of our website after changes constitutes your acceptance of the updated policy.