Exhibit 12.1



Sify Technologies Limited

Certification of Principal
Executive Officer

Pursuant to Section 302
of

The Sarbanes-Oxley Act
of 2002



I, Raju Vegesna, certify that:



1.	  I have reviewed this annual
report on Form 20-F of Sify Technologies Limited.



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 the Company as of, and for, the periods presented in this report;



4.	  The Company’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 control over financial reporting (as defined in Exchange Act Rules 13a-15(f)
and 15d-15(f) 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 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;
| | -- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | c) | Evaluated the effectiveness of the Company’s disclosure controls and procedures
and presented in this report our conclusions about the effectiveness of the disclosures 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 the Company’s internal control over financial
reporting that occurred during the period covered by the annual report that has materially affected, or is reasonably likely to
materially affect, the Company’s internal control over financial reporting; and
| | -- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



5.	  The Company’s other
certifying officer(s) 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 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 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 control over financial reporting.
| | -- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



Date: July 18,
2014



| | /s/ Raju Vegesna                                    
| | ----------------------------------------------------
| | Name: Raju Vegesna                                  
| | Title: Chief Executive Officer and Managing Director