Singapore GRE Questions

Should I take the GRE exam to increase my chances of getting scholarships even though it is not a requirement for the universities I checked in Singapore?

Is it compulsory for me to give the GRE exam in Germany/Singapore for a Master's in UAE?

Is it better to prepare for the GRE if I am targeting scholarships in Singapore/UAE for a Master's?

How can an Indian student self-study for the GRE without coaching classes for a Singapore or US master's application?

When should an Indian engineering student with a high CGPA start GRE preparation for an NUS MIM or Singapore master's application?