Hi Prasad,

Arihant publication is far better when compared to gk as arihant provides better theory and solved questions.so you can follow arihant for better understanding of concepts.

All the best

ARIHANT is way better. Better content, fewer mistakes and a decent collection of questions. Compared to GK, it is much better organized and the coverage of topics is also better.

All the very best and good luck.

For the preparation of GATE Mechanical Engineering you can prefer below given books.

Machine design - V.B. Bhandari

Engineering Mechanics- by Bhavikatti

Fluid Mechanics - by R K Bansal

Heat and Mass Transfer by J P Hollman and R C Sachdeva

Industrial Engineering by O P Khanna, Buffa and Sarin

Production Technology: Manufacturing Processes, Technology and Automation by R.K. Jain

Strength of Materials - Gere & Timoshenko

Strength of Materials by Gere and Timoshenko

Engineering Thermodynamics by P K Nag and Rajput

Theory of machines by Ratan

Mechanical Vibration by Grover

Preparation Tips for GATE 2018

Admissions into the top engineering institutes or recruitment through PSUs are done based on the secured scores in GATE.

Know your GATE 2018 Exam Pattern : The most important preparation tip is to read and know the entire exam pattern The type of questions asked, mode of examination, marking scheme and more information about GATE 2018 will be present in the examination pattern. Checking the pattern will let you prepare better for the upcoming exam.

Solve Mock Tests & Sample Papers: It is advised that mock tests and sample papers should be solved almost every week. By solving these mock test and sample paper, you will be able to practically apply whatever you have studied. This preparation tip also helps in time management. By solving the tests and papers within the time limit of GATE 2018, you will be able to manage your time during the examination.

For futher detail about the books & tips you can go through with given below link.

GATE ME

You can also check the Syllabus of GATE Mechanical Engineering with given below link.

GATE Mechanical engineering Syllabus

Good Luck!

Both are good but you should prefer Arihant over GK as it has better content. It is also good for revision.

To check the complete recommended books you can follow below link

Recommended books for GATE ME

Good Luck!!