Qestion for mahesh sir

Question

Sir ,

I recently completed my semester 4 examination of MCA now i have industrial project In Semester 6 I want your expert advise regarding to this .how to approach a software company for internship.Do I have to prepare for interview etc ?
how to identify if company I am approaching is good or bad .and mainly how to communicate company about Internship in any IT company.I am very concern about this topic .

Thanks In Advance :)