Rajiv Gandhi Institute of Technology, Mumbai

You can get into this college but fill up the form of colleges in Cap round as by
1. VJTI
2. COEP
3. D.J like that on top
And fill the form
And yes
Search by ranking on google by national education department and fill form like that
You will get as according to students and rank

The domicile document requirement depends on different factors. If the student has birth certificate of the city than the domicile is not required similarly there are many conditions.

No the College has Bachelor of engineering degree programme.

Just go through this link and fill out the required details:
https://www.shiksha.com/college-predictor

Internships are not provided by the college, but anyone wishing to do an internship at any other firm can get a letter of recommendation from there respective head of the department. The major companies that visit this college for recruitment include:
1: Mahindra and Mahindra
2: Cap Gemini
3: Voltas
4:

Placement scenario for mechanical engineering:
Average Package: 5 LPA
Median package: 5.5 LPA
Minimum Package: 3.3 LPA
the highest package: 16 LPA by Schlumberger
Some prominent recruiters are listed below. Top companies which came to this college for placement:
Cavinkare, Wipro, Bristle Cone I Ltd. , NSD

Hello,
It is very nice to know that you are interested in doing graduation after completion of your diploma. In Maharashtra, you need to register for lateral admission on the webpage of "dte of tech education" for seeking such type of admission. Depending on your ranking, you will get admission.
Best