There are several books in the market which you can look up, but some books that I found useful are -
1.)Strength of Materials:-
B.C. Punamia
Timoshenko
Rama Murtham(any of these but go for Timoshenko when your basics get clear)
2.)Operations Research:- KantiSwarup, Ravindran&Phillips.
3.)Industrial Engg:-
Buffa&Sarin
4.)Production Engg:-
Kalpika Jain, Amitabh Ghosh & A.K. Malik, P.N.Rao. (any one).
5.)Material Science:-
UC. Jindal, W.D. Callister,
I.P. Singh
6.) Machine Design:-
Shigley, V.B. Bhandari
7.)Mechanical Vibration:-
Grover, S.S. Rao
8.)Theory of Machines:-
R.S. Khurmi, Malik &Ghosh
9.)Fluid Machinery:-
D.S. Kumar, R.K. Bansal
10.)Refrigeration & Air
Conditioning:-
C.P. Arora, Domkundwar
11.)Heat & Mass Transfer:-
J.P. Hollman & R.C. Sachdeva, S.k. Som. (any one)
12.) Fluid Mechanics:-
Modi& Seth, R.K. Bansal, Frank M. White
13.)Engg. Thermodynamics:- P.K. Nag, Cengel & boles
14.)I.C. Engine:-
M.L. Mathur, R.P. Sharma
15.)Engg. Mathematics:-
