Books for Electrical Engineering which one can refer to for Indian Engineering Services Examination are as mentioned below:

SL.NO.
SUBJECT
AUTHOR

1.
Electronic Devices & Circuits & Analog Electronics
(i) Integrated electronics : Analog and Digital Circuit and system
(ii) Microelectronic Circuits
(iii) Electronic Devices and Circuits
(iv) OP Amp and linear Integrated Circuit
(v) Solid State electronic devices
(vi) Semiconductor devices
Jacob Millman & Christos C. Halkias Sedra & Smith
J.B. Gupta
Ramakant A.Gayakwad
Streetman and Banerjee
S.M.Sze

2.
Communication System
(i) Communication System
(ii) An introduction to Analog and Digital Communication
(iii) Communication System : Analog and Digital
(iv) Modern Digital and Analog Communication System
(v) Electronic Communication System
Simon Haykins
Simon Haykins
Singh and Sapre
B.P. Lathi
Kennedyand Davis

3.
Signal and System
Oppenheim and Willsky

4.
Optical Fiber Communication
Senior

5.
Satellite Communications
Pratt and Bostian

6.
Monochrome and colour
R.R. Gulati

7.
Control System
(i) Control System Engg.

(ii) Automatic Control System
(iii) Linear Control System
I.G. Nagrath & M.
Gopal
B.C. Kuo
B.S. Manke

8.
Electro Magnetic Theory
(i) Elements of Engineering Electromagnetics
(ii) Elements of Electromagnetics
(iii) Engineering Electromagnetics
(iv) Antenna and Wave Propagation
N. N. Rao
Sadiku
W.H.Hayt
K.D. Prasad

9.
Digital Electronics
(i) Digital Design
(ii) Digital Systems
(iii) Modern Digital Electronics
M. Morris Mano
Tocci & Widmer
R. P. Jain

10.
Computer Engineering
(i) Microprocessor Architecture, Programming & Application
(ii) Computer Organization and Structure
Ramesh S. Gaonkar
Stalling

11.
Microwave Engineering
(i) Microwave Devices and Circuits
(ii) Microwave Engineering
(iii) Microwave Engineering
Liao
Sanjeev Gupta
Pozar

12.
Network Theory
(i) Networks and Systems
(ii) Engineering Circuit Analysis
D. Roy Chaudhary
Hayt

13.
Electrical Engineering Material science
S.P. Seth

14.
Measurement and Instrumentation
(i) Electrical & Electronic Measurement and Instrumentation
(ii) Electronic Instrumentation
A. K. Sahney
H. S. Kalsi

15.
Electrical Machine
(i) Electrical Machinery
(ii) Electrical Machines
PS Bhimra
Nagrath & Kothari

16.
Power System
(i) Power System Engg.
(ii) Electric Power Systems
Nagrath & Kothari
CL Wadhwa

17.
Power Electronics
PS Bhimra