C LANGUAGE

The C programming Language by Brian W. Kernighan and Dennis M. Ritchie =>> download link

Let us c by Yeshwant Kanetkar =>> download link

The complete Reference of C by Herbert Schildt =>> download link

Head First C Language ==> download link

C++ LANGUAGE

The C++ programming language by Bjarne stroustrup =>> download link

C++ the complete reference=>> download link

C++ tutorials =>> watch now

DATA STRUCTURES

Fundamentals of data structures by Ellis Horowitz & sartaj sahni =>> download link

C plus plus - Plus Data Structures 3rd E by Nell Dale =>> download link

Classic data structures (preview) by D Samanta =>> download link 

COMPUTER ORGANIZATION AND ARCHITECTURE

Computer Organization by Hamacher =>> download link

Computer System Architecture by Morris Mano=>> download link

Computer Organization and Architecture by William Stallings =>> download link

COBOL

COBOL Programming  by M K Roy & D Gosh Dastidar =>> online preview

BCA COBOL Programming =>> download link

JAVA

JAVA The Complete Reference  by Herbert Schildt =>> download link

Head First JAVA by Kathy Sierra Bert Bates  download link

HTML

Head First HTML with CSS & XHTML by Elisabeth Freeman 
and Eric Freeman =>> download link

Head First HTML5 Programming by Eric Freeman and 
Elisabeth Robson =>> download link

HTML5 Up and Running by Mark Film =>> download link

DATABASE MANAGEMENT SYSTEMS

Database Management System by Raghu Ramakrishnan/Johannes Gehrke =>> download link

Fundamentals of Database Systems by Ramez Elmasri and Shamkanth B. Navathe =>> download link

Database Systems by Thomas Connolly and Carolyn Begg =>> download link

THEORY OF COMPUTATION

Introduction to Automata Theory, Languages, and Computation by John E Hopcroft, Rajeev Motwani and Jeffrey D. Ullman =>> download link

LANGUAGE PROCESSORS

Compiler Principles, Techniques and Tools by Alfred V.Aho, Ravi Sethi Monica S.Lam and Jeffry D. Ullman ==> download link

Compiler Principles, Techniques and Tools by Alfred V.Aho, Ravi and 
Jeffry D. Ullman ==> download link

OPERATING SYSTEMS

Operating System Concepts by Silber Schatz & Galvin ==>download link

Operating System Design & Implementation by Tanenbaum ==>download link

Operating Systems by William Stalling ==> download link

ALGORITHM ANALYSIS AND DESIGN

Introduction to algorithms by Thomas H. Cormen, Chrles E. lesiserson &
 Ronald L. Rivest ==> download link

Introduction to Algorithms, Second Edition by Thomas H. Cormen Charles E. 
Leiserson Ronald L. Rivest ==> download link

SOFTWARE ENGINEERING

Software Engineering by Roger S. Pressman 7E by =>> download link 

Software Engineering by IAN Sommerville =>> download link

ARTIFICIAL INTELLIGENCE

Artificial Intelligence by Elaine rich and Kevin knight =>> download link

Artificial Intelligence by George F Luger =>> download link

EMBEDDED SYSTEMS

Embedded Systems by Raj Kamal =>> download link

Embedded System Design A Unified Hardware/Software Introduction  by  Frank Vahid and 
Tony Givargis  =>> online preview

An Embedded Software Primer by David E.Simon =>>download link

COMPUTER NETWORKS

Data and Computer Communications by William Stallings ==> download link

Computer Networks by Andrew S. Tanenbaum ==> download link

NEURAL NETWORKS

Neural Networks by Simon Haykin =>> download link

CRYPTOGRAPHY AND NETWORK SECURITY

Cryptography and Network Security: Principles and Practice by William Stallings =>> download link

 Applied Cryptography by  Bruce Schneier =>> download link

Cryptography and Data Security by Denning. D =>> download link