Being a fresher, be keen to learn new things, no one will expect to much knowledge from you. But try to make sure that whatever you are learning, first concentrate on the basics of that particular domain because companies will ask only basics.
Keep track with the upcoming technologies so that you can add something more to yourself, and you should able to say something about it ,so that the person who will take your interview should understand that you have a dedication towards new things.
keep learning, work hard a bit, do not waste your time, success will come to you.