B.Tech in computer science is a very good course by itself. Since the programming languages like Operating systems like Microsoft windows, andriod,Unix,Linux. Hardwares, Networking,
Softwares,Languages like C,C++,Java, C#, Algorithms and Programming languages are the very basic and does have the lab exercises for those languages. The best way to study the basic first for which its the base for every computer languages. If you want to be a developer in any languages its good to practice with the programming exercises available in the books first.
Finish the book exercise programming first within months before the semester starts. Most of the centers outside to opt to teach the same programming structure what is book and with a lot of lab exercises.Later part comes the project after your Programming skills are been developed.Its good you have started to think about your career while you are doing the Academic.If you are already a computer starter or aware of computer its best to learn programming now from the scratch.
Languages like C,C++ are the basic for Java Programming. If you understand the Java programming there won't be difficult to understand the C# programming along with the scripting language VB.net, Asp.net, I hope these might be in your college syllabus.Study and work in your computer thoroughly. Apart from that Java complete packages like Servlets,Hibernate,Core java,Swing, Remote Method innovation is also a best package for
learning, understanding,working in programming languages.With this you can do a software project specialized in the field of your interest.
If you are not aware of the software projects and academic projects, its a best idea to use college library to browse some of your senior projects for better idea of starting a project. RDBMS, DBMS, Databases, SQL, MS SQL, these are similar and easy to learn. These can be learnt within three months and keep practicing, that should make your perfect.Microsoft Technologies are also good to learn C#,Visual studio.
From these you can choose one of the project in your final year for software demonstration. Going for a trial demonstration would bring you hope and confidence what to do for future career.
Learn solving analytical problems,puzzles, maths verbal, case studies for interview purposes. These will help you for interview purposes both for on campus and off campus.
Know the websites like freshers,time jobs, Naukri for job specifications and locations. Know latest technology by studying magazines one of two of your interest in pcmag,dataquest.
These things might keep you tight and busy. Have a good exercise also, as sitting in the computer also brings stress to mind and body.
Mobile technologies are the most latest one, along with cloud computing. Nowadays most of them are using cloud computing for all the purposes. Participate in competitions, group discussions in your college.
Learn and implement to go for a good career.