Here are the few reference books.It will be updated !!!!

Electrical Engineering

Electric Circuits and Fields:
Electrical Technology by B.L.Theraja
Fundamental of Electrical Engineering by Leonard S Bobrow
Electronic Devices and Circuits by Millman and Halkias,

Signals and Systems:
Signals and Systems, 2nd Edition by Alan V. Oppenheim Alan S.willsky with S.Hamid
Nawab

Electrical Machines:
Electrical Machines By I.J Nagrath, D.P Kothari
Electrical Machines by P S Bimbhra
Electrical Machines G B Gupta
Electrical Machines by SK Bhattacharya, Tata Mc Graw Hill, New Delhi

Power Systems:
Power Systems by C L Wadhwa
Power systems by J B Gupta
Power Systems by V. K. Mehta

Control Systems:
CONTROL SYSTEM – M GOPAL
Control Systems : I.J.Nagrath, M.Gopal

Electrical and Electronic Measurements:
Electrical and Electronic Measurements by A K Sawhney

Analog and Digital Electronics:
Digital Electronics And Microprocessor R.P.Jain
Digtal Electronic Moris Mano

Power Electronics and Drives:
Power Electronics – P S Bhimbra
Fundamentals of Power Electronics Robert W. Erickson