Terms of Service

Welcome to DSViewer. These Terms of Service ("Terms") govern your access to and use of the DSViewer website, desktop application, datasets, downloads, and related services (collectively, the "Services").

By accessing the website, creating an account, purchasing a dataset, downloading a dataset, or using DSViewer, you agree to these Terms. If you do not agree with these Terms, please do not use the Services.

1. About DSViewer

DSViewer is a software application designed for viewing, analyzing, and replaying historical market data.

DSViewer may provide historical NIFTY 50 options data and related datasets for informational, research, educational, analytical, and market-data replay purposes.

DSViewer is not a stock broker, investment adviser, financial adviser, or trading service.

2. Eligibility

You must provide accurate information when creating an account or making a purchase.

You are responsible for maintaining the confidentiality of your account credentials and for activities carried out through your account.

You must not use another person's account without authorization.

3. Dataset Purchases

Datasets available through the DSViewer website are digital products.

Before purchasing a dataset, you are responsible for reviewing the information provided on its product page, including where applicable:

• Trading date
• Instrument or underlying
• Available contracts
• Data timeframe
• Dataset size
• File format
• Supported DSViewer version
• Other product specifications

A purchase is completed after the payment has been successfully processed and the order has been confirmed.

4. Dataset License

Unless a separate license states otherwise, purchasing a dataset grants you a limited, non-exclusive, non-transferable license to use the dataset for your personal or internal research, educational, analytical, and development purposes.

The purchase does not transfer ownership of the dataset or its underlying intellectual property to you.

You may not, without written permission from DSViewer:

• Resell the dataset;
• Redistribute or publicly share the dataset;
• Upload the dataset to another website or file-sharing service;
• Publish the complete dataset or substantial portions of it for public download;
• Share your download access with other users;
• Use the dataset to create a competing dataset-distribution service;
• Represent the dataset as your own;
• Remove or alter applicable copyright, attribution, or licensing information.

You may use the data for permitted analytical or research activities, subject to any additional restrictions stated on the applicable dataset page or license.

5. DSViewer Software License

Where DSViewer software is provided to you, you are granted a limited, non-exclusive, non-transferable license to install and use the software for its intended purpose.

You may not:

• Sell, sublicense, or redistribute the software;
• Modify or reverse engineer the software except where applicable law expressly permits such activity;
• Circumvent software licensing or access controls;
• Remove proprietary notices;
• Use the software to provide an unauthorized commercial service to third parties.

Separate software-license terms may apply to particular versions or editions of DSViewer.

6. Downloads and Access

Download links and dataset access may be provided through your account, purchase confirmation, or another authorized delivery method.

You are responsible for maintaining a secure copy of datasets after downloading them.

DSViewer is not responsible for loss of a previously downloaded dataset caused by device failure, accidental deletion, storage failure, or failure to maintain a backup.

Where technically feasible, DSViewer may provide replacement download access for eligible purchases.

7. Payments

Prices displayed on the website are the prices applicable at the time of purchase unless otherwise stated.

Payment processing may be handled by a third-party payment provider. DSViewer does not store complete payment-card information unless expressly stated in the applicable payment process.

You agree to provide accurate billing and payment information.

8. Refunds

Refunds are governed by the DSViewer Refund Policy.

Digital datasets that have been successfully delivered and downloaded are generally non-refundable except in circumstances described in the Refund Policy, such as certain technical problems, incorrect delivery, duplicate payment, or other eligible situations.

Please review the Refund Policy before purchasing.

9. Data Accuracy and Availability

DSViewer attempts to provide datasets according to the descriptions and specifications published on the website.

However, historical market data may contain errors, omissions, missing records, differences in source data, or other limitations.

DSViewer does not guarantee that every dataset will be completely error-free, uninterrupted, or suitable for every particular purpose.

Dataset availability may change over time.

10. No Investment Advice

DSViewer and its datasets are provided for informational, research, educational, analytical, and market-data replay purposes only.

Nothing provided through DSViewer constitutes:

• Investment advice;
• Financial advice;
• Trading advice;
• A recommendation to buy or sell any security or derivative;
• A guarantee of profit;
• A guarantee regarding future market performance.

You are solely responsible for your own investment and trading decisions.

Past market data and historical performance do not guarantee future results.

11. Third-Party Data and Services

Certain market data, payment services, hosting services, or other components used by DSViewer may originate from third parties.

DSViewer may depend on third-party services to provide certain functionality or information.

DSViewer does not guarantee the continued availability, accuracy, or operation of third-party services.

12. Prohibited Use

You agree not to use the Services to:

• Violate applicable laws or regulations;
• Commit fraud or facilitate unauthorized transactions;
• Circumvent access controls;
• Attempt to gain unauthorized access to DSViewer systems;
• Interfere with the operation of the website or software;
• Distribute malware or harmful software;
• Abuse download systems;
• Share or redistribute datasets in violation of their license;
• Misrepresent your relationship with DSViewer.

13. Intellectual Property

The DSViewer name, branding, website design, software, documentation, graphics, logos, and other original materials provided by DSViewer are protected by applicable intellectual-property laws.

Except for the limited rights expressly granted under these Terms, no ownership rights are transferred to you.

14. User Content

If you submit reviews, feedback, suggestions, bug reports, or other content to DSViewer, you grant DSViewer permission to use that content for operating, improving, and promoting the Services, subject to applicable law.

You should not submit confidential information or sensitive personal information unnecessarily.

15. Service Availability

DSViewer may modify, suspend, discontinue, or update parts of the Services from time to time.

Software updates may change features, supported systems, or functionality.

DSViewer does not guarantee that the website, downloads, datasets, or software will always be available without interruption.

16. Account Suspension or Termination

DSViewer may suspend or terminate an account where there is reasonable evidence of:

• Fraudulent activity;
• Unauthorized access;
• Payment abuse;
• Dataset redistribution;
• License violations;
• Abuse of download systems;
• Material violation of these Terms.

Termination does not automatically provide a refund unless otherwise required by applicable law or provided under the Refund Policy.

17. Limitation of Liability

To the maximum extent permitted by applicable law, DSViewer will not be liable for indirect, incidental, special, consequential, or other losses arising from the use of or inability to use the Services, including losses resulting from trading decisions, investment decisions, data interpretation, software interruptions, or loss of business.

Nothing in these Terms excludes or limits liability that cannot legally be excluded or limited under applicable law.

18. Indemnification

To the extent permitted by applicable law, you agree to be responsible for losses, claims, liabilities, or reasonable expenses arising from your unlawful use of the Services, violation of these Terms, or infringement of third-party rights.

19. Privacy

Your use of the Services is also subject to the DSViewer Privacy Policy, which explains how applicable personal information is collected, used, stored, and processed.

20. Changes to These Terms

DSViewer may update these Terms from time to time.

The updated Terms will be published on this page with a revised "Last Updated" date.

Your continued use of the Services after the updated Terms become effective constitutes acceptance of the revised Terms, to the extent permitted by applicable law.

21. Governing Law

These Terms shall be governed by the applicable laws of India, subject to applicable consumer-protection and other mandatory legal rights.

Any dispute shall be subject to the jurisdiction of the courts having appropriate jurisdiction, unless applicable law requires otherwise.

22. Contact

For questions regarding these Terms, datasets, software, purchases, or account-related matters, please contact:

DSViewer Support Email: vermaagentix@gmail.com

Important Disclaimer

DSViewer is a historical market-data viewing and replay application. It is not intended to provide investment, financial, or trading advice.

Users should independently evaluate information and seek professional financial advice where appropriate.