* Among both i recommend Arihant publication guide. But it is not the only the way to crack the gate exam . After the preparation of complete syllabus, spend one month before the exam to recall all concepts, formulas, methods, and examples. Remember the definitions, important points and formulas during the revision. Always remember to get your basic concepts clear, it will help you to crack even tough questions.

Click the below link for more information :

https://www.careers360.com/question-which-publication-use-for-gate-mechanical-preparation-gk-or-arihant-or-any-other

Hope this helps !!