1)Database Management System(By Raghurama Krishnan+Solutions)

2) Computer Organization
Fundamentals or Computer Organization and Design

Computer Organization and Architecture
3) Object Oriented Programming

4) Formal Languages and Automata Theory

5) Design and Analysis of Algorithms
MegaUpload Link OR Mediafire Link
6) Principles of Programming Languages
Programming languages –Watt, Wiley Dreamtech

Programming Languages
7) Probability and Statistics
LINK-1

LINK-2
8) Software Engineering

9) Environmental Studies