There are many factors involved when we talk of getting a job. Marks alone are not the only factor.
Ofcourse each company has certain cutoff to write the exams. So for that you stil have three more sems to go. Try to keep yoru pecentage above 60.
Next, is concentrate on core subject areas where you intent to make a job.
Your basics should be strong, Apart from academic a confidence, softskills and a good resume would help you to get yoru very first job.
Networking is also a key element in getting a job. You can know about networking here:
All the Best...