EXHIBIT
31.1






CERTIFICATION
OF CHIEF EXECUTIVE OFFICER PURSUANT TO
  SECTION
302 OF THE SARBANES-OXLEY ACT
   I,
Charles Payne hereby certify that:
  (1) I
have reviewed this quarterly report of Principle Security International,
Inc.;
  (2) Based
on my knowledge, this 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 report;
  (3) Based
on my knowledge, the financial statements, and other financial information
included in this report, fairly present in all material respects the financial
condition, results of operations and cash flows of Principle Security
International, Inc. as of, and for, the periods presented in this
report;
  (4) As
Principle Security International, Inc.'s sole officer and director, I
am responsible for establishing and maintaining disclosure controls and
procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and
internal controls over financial reporting as defined in Exchange Act Rules
13a-15(f) and 15d-15(f):
  (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 registrant, including any consolidated
subsidiaries, is made known to us by others within those entities, particularly
during the period in which this report is being prepared;
  (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 the
preparation of financial statements for external purposes in accordance with
generally accepted accounting principles;
  (c) Evaluated
the effectiveness of Principle Security International, Inc.'s disclosure
controls and procedures and presented in this report my conclusions about
the effectiveness of the disclosure controls and procedures, as of the end of
the period covered by this report based on such evaluation; and
  (d) Disclosed
in this report any change in Principle Security International, Inc.'s internal
control over financial reporting that occurred during our most recent fiscal
quarter (the fourth fiscal quarter in the case of an annual report) that has
materially affected, or is reasonably likely to materially affect, Principle
Security International, Inc.'s internal control over financial reporting;
and
  (5) 
I have disclosed, based on my most recent evaluation of internal control
over financial reporting, to Principle Security International, Inc.'s auditors
and the audit committee of Principle Security International, Inc.'s board of
directors (or persons performing the equivalent functions):
  (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 Principle Security International, Inc.'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 Rotoblock Corporation's internal control over
financial reporting.
   Principle Security International,
Inc.


/s/  
      CHARLES PAYNE
            Date: April 12,
      2010By:  Charles
      PayneChief Executive and Chief Financial Officer