Giving notice

It depends on terms and conditions of contract, generally it essential to give notice .

Yes  giving notice is necessary 

You may go through the terms and conditions of employment offer letter that you have signed at the time of joining this job and decide about this subject accordingly. 

What are the terms and conditions of your appointment letter?  But giving notice is better to avoid future problems.

I concur with the opinion and advise of learned experts, terms and conditions of appointment shall prevail on the subject matter.

The query is short of material facts.

No facts have been posted for consideration and obligation of experts on this platform.

It is better to seek professional services of a local prudent lawyer for proper analyses of facts/documents and necessary advise/ proceeding.

My client had got selected in Sutherland call center in customer support service as a trainee, she finished her training period but wasn't selected in the exam conducted thereafter. In her appointment letter for the trainee period she was asked to give 3 months notice. Since she was not selected in the interview to make her a permanent employee, is she required to give the notice. Those who weren't selected are sent out and their services are no longer required by the company. She was asked to pay back her last month salary. Is she required to pay back. In my opinion she need not