Books are available online at Amazon
Registration of Amazon
1) Technical
a) RK Jain For Mechanical Objectives Book
b) Made easy Previous ESE solved question Papers Book II and Book I
c) PSU by Made easy
For for comprehensive study Refer to GATE and ESE Study Material
2) Non Tech
a) GK by Lucent or Arihant
b) Aptitude by RS Aggarwal
c) Reasoning by RS Aggarwal
This is a standard study material and its common for most of SSC, PSU exams for mechanical engineering.
You can also refer books specifically for particular exam.
Eg. For SSC JE by GK Publication etc.
Registration of Amazon
1) Technical
a) RK Jain For Mechanical Objectives Book
b) Made easy Previous ESE solved question Papers Book II and Book I
c) PSU by Made easy
For for comprehensive study Refer to GATE and ESE Study Material
2) Non Tech
a) GK by Lucent or Arihant
b) Aptitude by RS Aggarwal
c) Reasoning by RS Aggarwal
This is a standard study material and its common for most of SSC, PSU exams for mechanical engineering.
You can also refer books specifically for particular exam.
Eg. For SSC JE by GK Publication etc.