Final year student seeking guidance

I’m a 3rd year integrated msc chemistry(5 year) student from NIT Warangal and I have an exit option after 3rd year also, i.e with the bachelors of Science degree and as of now I have decided to go with this. But the major concern for me is that my college won’t be allowing me for the campus placement. I have done internships and projects in product domain. I am looking for opportunities, so that I have a offer to join from May. Any idea How should I go about this?