"Im ill , hence will not attend work today" heard this before??

Well, it is not uncommon that we give excuses based on our health or forged illness to skip some work or meeting.Sometimes, it may be unavoidable but some people use this very frequently to avoid their duty.
English has not spared people who  feign illness or other incapacity in order to avoid duty or work.
They are said to Malinger

Malingering is a medical term that refers to fabricating or exaggerating the symptoms of mental or physical disorders for a variety of "secondary gain" motives, which may include financial compensation (often tied to fraud); avoiding school, work or military service; obtaining drugs; getting lighter criminal sentences; or simply to attract attention or sympathy

Dont malinger...malingering is a disease by itself!