well go through your course

revise well what you have studied before and now and check frm these books.

Industrial Engineering

Operation Research by H.D.Sharma (Strongly Recommended)
Industrial Engineering by O.P.Khanna
Engineering Metrology by R.K.Jain
Industrial Engineering by B.Kumar
Inventory Management and Operation Research by Heera Gutpa


Manufacturing Science

Manufacturing Technology by P.N.Rao (Strongly Recommended)
Manufacturing Science by Ghosh and Mallick (Strongly Recommended)
Production Technology by P.C.Sharma (Vol-1 and Vol-2) (Strongly Recommended)
Manufacturing Science by Serope Kalpakjian and Steven R.Schmid (Strongly Recommended)
Powder Metallurgy by G.E.Dieter
Production Technolgy by G.R.Nagpal
Manufacturing Science by De Garmo.
Manufacturing Science by Pandey and singh
Work Shop Technology by Hajra Chaudhari

Heat Transfer

Engineering heat and mass transfer by R.C.Sachdeva (Strongly Recommended)
Heat transfer by R yadav (Strongly Recommended)
Heat and Mass transfer by Arora and Domkundwar
Heat Transfer by Holman J.P

Thermal Science

Engineering Thermodynamics by P.K.Nag (Strongly Recommended)
Power Plan Engineering P K Nag (Strongly Recommended)
I C engine by Ganeshan (Strongly Recommended)
Thermodynamics by Mathur ,Mehta and Tiwary
Thermodynamics by R.K.Rajput
Referigeration and Air Conditioning by C.P.Arora
Power Plan Engineering by R.Yadav
Thermodynamics by Turner Boles
Gas turbine by Yaya


Fluid Mechanics

Fluid Mechanics by K. L .kumar (Strongly Recommended)
Fluid Mechanics by R.K.Bansal (Strongly Recommended)
Fluid Mechanics by Modi and Seth
Fluid Mechanics by A.K.Jain
TurboMachinary by R.Yadav
Fluid Mechanics by D S Kumar

Design of Machine Element

Theory of Machines by S.Ratan (Strongly Recommended)
Theory of Machines by Jagdish Lal (Strongly Recommended)
Theory of Machines by R.S.Khurmi
Theory of Machines by Ambedkar
Design of Machines Element by V.B .Bhandari
Design of Machines Element by R.S.Khurmi
Design of Machines Element by J.E.Shigley
Design of Machines Element by Schaum Series
Design of Machines Element by P C sharama and Agrawal
Vibrations by M.P.Grover

Engineering Mechanics and Strength of Matter

Mechanics for Engineers (Statics and Dynamics) by Beer and Johnston (Strongly Recommended.)
Mechanics of Material by Beer and Johnston- (Strongly Recommended.)
Strength of Material by Sadhu Singh (Strongly Recommended.)
Strength of Material by Rammurtham (Strongly Recommended.)
Strength of Material by R.S.Khurmi
Strength of Material by K.L.Kumar
Strength of Material by Popov

select the one you have studied and also go through these books very seriously  they will be very helpful to you in gate and psu exams too

GATE 2010 by GK publishers

IES made easy books

Mechanical Engineering by RK jain

Quantitative Objective in Mechanical Engineering by RS khurmi & JK gupta

more or less stick to basics it will be good