Exhibit 31.1



CERTIFICATIONPURSUANT TO EXCHANGE ACT RULES 13a-14(a) AND 15d-14(a),AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002



I, Paul M. DiPerna,
certify that:



1. I have reviewed
this quarterly report on Form 10-Q/A of Modular Medical, 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. The registrant’s
other certifying officer(s) 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 controls over financial reporting (as defined in Exchange Act Rules
13a-15(f) and 15d-15(f)) for the registrant 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 registrant, including its 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 controls over financial reporting, or caused such internal controls 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 (“GAAP”);



(c)
Evaluated the effectiveness of the registrant’s disclosure controls and procedures 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 report based on
such evaluation;



(d)
Disclosed in this report any change in the registrant’s internal controls over financial reporting that occurred during
the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report)
that has materially affected, or is reasonably likely to materially affect, the registrant’s internal controls over financial
reporting; and



4. The registrant’s
other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal controls over financial reporting,
to the registrant’s auditors and the Audit Committee of the registrant’s board of directors (or persons performing the equivalent
functions):



(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 registrant’s ability to record, process, summarize and report financial information;
and



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

|                                                                                       |  |                           
|-------------------------------------------------------------------------------------- |  | --------------------------
|/s/
    Paul M. DiPerna                                                                |  | Date: October
    18, 2019
|Paul M. DiPerna                                                                        |  |                           
|Chief Executive
    Officer, Chief Financial Officer,Secretary, Treasurer and Director |  |                           
|(principal executive,
    financial and accounting officer)                            |  |