JUDGMENT
A. Background
[1] We shall refer to the parties as they were in the High Court.
[2] On 5 August 2002, the applicant (Applicant) commenced employment as a "Section Head" in the Human Resources (HR) Department of the 1st respondent company (1st Respondent).
[3] The 1st Respondent appointed the Applicant to be a "Section Manager of its HR Department on 23 December 2013.
[4] As a Section Manager of the 1st Respondent's HR Department, the Applicant was responsible for, among others, the recruitment of foreign workers for the 1st Respondent [1st Respondent's Recruitment (Foreign Workers)].
[5] On 20 April 2017-
(1) the Applicant returned to work after spending her two weeks of annual leave;
(2) the 1st Respondent's then HR Head, Mr J. Chandrasegaran (COW-1) met the Applicant and gave her a letter dated 20 April 2017 [1st Respondent's Letter (20 April 2017)]. According to the 1st Respondent's Letter (20 April 2017), among others-