Hello aspirant

Hope you are doing great there . For any national level exam , some of the most important things includes daily practice , previous year question papers , revision of concepts . Apart from these things you should build a habbit of reading newspaper daily and solving aptitude based questions to sharpen your mind . Also the most important think is having a healthy diet to avoid any loss of studies due to illness factors .

I hope my answer helps

Wish you all the very best!

• Read Newspaper Regularly.
• Revise on a Regular Basis.
• Solve Previous Years Question Papers and Sample Papers.
• Shift more focus on Aptitude for Service Selection
• Follow Good Study Material.
• You can also try your own methods for preparation.