EXHIBIT 31.1

                  CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER
            Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, Naveen S. Bisht, certify that:

(1) I have reviewed this quarterly report on Form 10-QSB of Nayna Networks, Inc.
(formerly ResCon Technology Corp.), (the "Company");

(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;

(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;

(4) The Company's other certifying officers and I are responsible for
establishing and maintaining disclosure controls and procedures (as defined in
Exchange Act Rules 13a-14 and 15d-14) for the Company and have:

      (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 subsidiary, is made known to us by others within those
      entities, particularly during the period in which this quarterly report is
      being prepared;

      (b) Evaluated the effectiveness of the Company's disclosure controls and
      presented in this 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

      (c) Disclosed in this quarterly report any change in the Company's
      internal controls over financial reporting that occurred during the
      Company's most recent fiscal quarter that has materially affected, or is
      reasonably likely to materially affect, the Company's internal controls
      over financial reporting; and

(5) The Company's other certifying officers and I have disclosed, based on our
most recent evaluation of internal control over financial reporting, to the
Company's auditors and the audit committee of the Company's board of directors
(or persons fulfilling the equivalent function):

      (a) All significant deficiencies and material weaknesses in the design or
      operation of internal controls over financial reporting which are
      reasonably likely to adversely affect the Company's ability to record,
      process, summarize and report financial information; and

      (b) Any fraud, whether or not material, that involves management or other
      employees who have a significant role in the Company's internal controls
      over financial reporting.



Date: April 15, 2005                    By: /S/ Naveen S. Bisht
                                            -------------------------------
                                            Naveen S. Bisht,
                                            Principal Executive Officer