Dear Vineet Kumar,

Deciding on the country depends on the person opting to pursue the course. In what subject do you want to pursue MS? You have to take a number of things into consideration. A few are:

• Top universities
• Your CGPA and work experience
• GRE score
• Course fee and living 
• Language adaptability and food
• work options during and post job

Please read Know All About Studying in Germany.

Do revert if you need more information.