Upadharya,

transfer to a university and apply for the internship. That will give you an ample opportunity to horn your technical skills. Regarding your question whether you will be able to land on a job after you pass the networking certification exam, it is hard to speculate at this point. Definitely, being certified is always a plus point but that is not the only factor employers consider during the job interview.
Choose the field that interest you the most. Involve in the project on your own and excel the field.
Good luck, brother!