**Exhibit      31.1**

**Chairman      and Chief Executive Officer Certification**

**Required      by Rules 13a-14 and 15d-14 under the Securities Exchange Act of 1934, as      amended**

| 1.   | I              have reviewed this quarterly report on Form 10-Q of NDS; |
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| 2.   | Based              on my knowledge, this quarterly report does not contain any untrue              statement of a material fact or omit to state a material fact necessary              to              make the statements made, in light of the circumstances under which              such              statements were made, not misleading with respect to the period covered              by              this quarterly report; |
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| 3.   | Based              on my knowledge, the financial statements, and other financial information              included in this quarterly report, fairly present in all material respects              the financial condition, results of operations and cash flows of the              Company as of, and for, the periods presented in this quarterly report; |
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| 4.   | The              Company’s other certifying officer and I are responsible for establishing              and maintaining disclosure controls and procedures (as defined in Exchange              Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial              reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f))              for              the Company and have: |
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| (a)   | Designed              such disclosure controls and procedures, or caused such disclosure              controls and procedures to be designed under our supervision, to ensure              that material information relating to the Company, including its              consolidated subsidiaries, is made known to us by others within those              entities, particularly during the period in which this quarterly report              is              being prepared; |
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| (b)   | Designed              such internal control over financial reporting, or caused such internal              control over financial reporting to be designed under our supervision,              to              provide reasonable assurance regarding the reliability of financial              reporting and preparation of financial statements for the external              purposes in accordance with generally accepted accounting              principles; |
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| (c)   | Evaluated              the effectiveness of the Company’s disclosure controls and procedures and              presented in this quarterly report our conclusions about the effectiveness              of the disclosure controls and procedures, as of the end of the period              covered by this quarterly report based on such evaluation; and |
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| (d)   | Disclosed              in this quarterly report any change in the Company’s internal control over              financial reporting that occurred during the Company’s third quarter of              fiscal 2006 that has materially affected, or is reasonably likely to              materially affect, the Company’s internal control over financial              reporting; and |
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| 5.   | The              Company’s other certifying officer and I have disclosed, based on our most              recent evaluation of internal control over financial reporting, to              the              Company’s independent registered public accounting firm and the Audit              Committee of the Company’s Board of Directors: |
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| (a)   | All              significant deficiencies and material weaknesses in the design or              operation of internal control over financial reporting which are              reasonably likely to adversely affect the Company’s ability to record,              process, summarize and report financial information; and |
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| (b)   | Any              fraud, whether or not material, that involves management or other              employees who have a significant role in the Company’s internal control              over financial reporting. |
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