Dear Roshan, BCS is an undergraduate Computer Science Course for 3 years. You are taught Computer Programming Theory, Electronics, Mathematics, Statistics. After BCS, you can study further in M.Sc in Computer Sceince, MCA, MCM, MBA. You might get offers like  IT Project Manager, Programmer Analyst, Software Engineer, Developer/Programmer and Software Developer. There are many colleges offering BCS based on the city of your interest. 

B.Sc is an undergraduate science course in specific subjects like Biology, Chemistry, Physics, Mathematics, Computers, etc. And B.Sc is a vast sector that cannot be filtered to a particular level. So you will have to help us the specific stream that you want to pursue in B.Sc so that we can help you further.