Maharashtra Institute of Technology

You can get admission in 3rd or 4th round regarding your state merit, however you may find it difficult to get admission in mainstream engineering courses in either of the college with your rank. Consult the college authorities for the details via their respective website.

Generally, no college in Mumbai will allow you to take admission in 2nd year. Hence, you have to retain the MIT-Pune or take the fresh admission in Mumbai.

Yes, you can get many colleges:
Dhole Patil College of Engineering, Pune
Sinhgad College of Engineering
Ajeenkya DY Patil University
MIT World Peace University
Sinhgad Academy of Engineering
MIT College of Engineering
PCCOE - Pimpri Chinchwad College of Engineering
Vishwakarma Institute of Information Technology
Symbiosis Institute of Technology | SIT-Pune
Bharati Vidyapeeth

Kindly visit this link:
https://www.shiksha.com/b-tech/resources/mhcet-college-predictor

Yes, MITWPU has good placements for mechanical engineering. Average salary for B.Tech this year was INR. 6.25 lacs.

Normally, the cut-offs for colleges affiliated to Pune University for entry through diploma range from 80-90+%. You can try inquiring to college authorities for further information.

Fees for civil engineering at MIT Pune (WPU) as of 2018 was INR. 2.85 lacs.