These are the important EBooks for DRDO electronics grade B scientists. i have provided here all important ebooks for ELECTRONICs. So study well. ALL THE BEST.
DIGITAL DESIGN
principles of Modern Digital Design 
http://rapidshare.com/files/74654671/Modern_Digital_Design.rar
Digital Electronics Demystified-TMH
http://rapidshare.com/files/2279140/McGraw.Hill.Digital.Electronics.Demystified.rar
Complete Digital Design: A Comprehensive Guide to Digital Electronics and Computer System Architecture
http://www.icefile.info/index.php?page=main&id=fd53b1819&name=0071409270.rar
NETWORK THEORY
Circuit Analysis Theory And Practice by Robbins and Miller
http://rapidshare.com/files/60142755/Circuit_Analysis_Theory_And_Practice_by_robbins_and_miller.pdf
Engineering circuit analysis by hayt,kemmerly,durbin solution manual
http://www.4shared.com/file/66510594/498cbb70/Engineering_Circuit_Analysis_6Ed_-_Hayt_Solutions_Manual.html
Basic circuit analysis Schaum series
http://rapidshare.com/files/60151397/basic_circuit_analysis_Schaum_series.pdf
CONTROL SYSTEMS
Ogata - Discrete-Time Control Systems
http://www.4shared.com/file/61770903/81f06db/Ogata_-_Discrete-Time_Control_Systems.html?start=
Modern control technology components and systems
http://rapidshare.com/files/112380295/Modern_control_technology_components_and_systems.pdf
systems and control
http://rapidshare.com/files/110477253/Systems_and_Control.rar
Modern Control Engineering, 3rd edition, by Katsuhiko Ogata
http://rapidshare.de/files/12930217/MControlEnginar__muyace_.rar
Solution Manual:-
http://rapidshare.com/files/90396746/ogata_solution_manual.rar
Principles of Electric Circuits, 8th Edition by Thomas L. Floyd
http://rapidshare.com/files/137262842/floyd_-_principles_of_electric_circuits_cc_8e.part1.rar
http://rapidshare.com/files/137262936/floyd_-_principles_of_electric_circuits_cc_8e.part2.rar
http://rapidshare.com/files/137262994/floyd_-_principles_of_electric_circuits_cc_8e.part3.rar
http://rapidshare.com/files/137263112/floyd_-_principles_of_electric_circuits_cc_8e.part4.rar
http://rapidshare.com/files/137263454/floyd_-_principles_of_electric_circuits_cc_8e.part5.rar
Power Electronics Handbook (Engineering) by Muhammad H. Rashid
http://rapidshare.com/files/97921259/power.electronics.handbook-0125816502.rar
Electrical Machines and Drive Systems, Third Edition by John Hindmarsh Alasdair Renfrew
http://ifile.it/0nadh3q/electrical_machines_and_drives_systems.pdf
Control in Power Electronics: Selected Problems (Academic Press Series in Engineering) by Marian P. Kazmierkowski, Ramu Krishnan, Frede Blaabjerg, J. D. Irwin
COMMUNICATION SYSTEMS
Communication Systems by Simon Haykin 4 Edition
http://rapidshare.com/files/1896159/Communication_Systems_by_Simon_Haykin__4e.rar
Solution Manual For Communication Systems 4th edt by Simon Haykin
http://rapidshare.com/files/48071351/Solution_Manual_For_Communication_Systems__4th_edt__by_Simon_Haykin.rar
Principles of Communication Systems: Herbert Taub,Donald L. Schilling
http://rapidshare.com/files/112844510/taub_schilling_commns.rar
The Power Electronics Handbook
Author Skvarenina, Timothy
http://rapidshare.de/files/21341543/RASHID__M._H.__2001_._Power_Electronics_Handbook.rar
Electronic principles by Malvino
Patr-1 : http://rapidshare.com/files/23707858/Malvino.part1.rar
Part-2 : http://rapidshare.com/files/23712195/Malvino.part2.rar
Part-3 : http://rapidshare.com/files/23716033/Malvino.part3.rar
Automatic control systems by Benjamin Kuo
http://www.4shared.com/file/66012872/cc70f9a0/Automatic_Control_Systems-BENJAMIN_C1_KUO.html
BASIC ELECTRONICS AND ANALOG CIRCUITS
Microelectronic circuits by Sedra Smith,5th ed
part1 (99MB)
http://www.megaupload.com/?d=CH3EV2E8
part2 (97MB)
http://www.megaupload.com/?d=3QB8OJ1Z
Microelectronic circuits by Sedra/Smith solutions
http://www.megaupload.com/?d=W3XROX84
Thomas L Floyd “Electronic Devices”
part1–> http://rapidshare.com/files/93237193/Floyd_-_Electronic_Devices_CC_7e.part1.rar.html
part 2–> http://rapidshare.com/files/93237155/Floyd_-_Electronic_Devices_CC_7e.part2.rar.html
Microelectronics Devices and Circuits by Clifton G. Fonstad
http://rapidshare.com/files/21889156/Fonstad_MicroelecDevCkt_2006EEd.pdf
Op Amps for Everyone by Ron Mancini
http://rapidshare.de/files/21333448/MANCINI__R.__2002_._Op_Amps_for_Everyone.rar
Op Amps - Design Application and Troubleshooting.
http://www.4shared.com/account/file/39632044/121c901e/TERRELL_D_L__1996__Op_Amps_-_Design_Application_and_Troubleshooting__2nd_ed_.html
Operational Amplifiers: Introduction to CMOS andComparators
http://www.4shared.com/file/39640424/5b668bdf/Electronics-OperationalAmplifiers-IntroductiontoCMOSOP-AMPSandComparators.html?s=1
High Power Microwaves
http://www.paid4share.net/file/10450/9780750307062-0750307064-rar.html
