Pune

Hello Rutuja,
There are plenty of good engineering colleges in these two cities of Maharashtra. With 80% in your Diploma, I am sure you will be able to get admission in your desired college. I am attaching a link that will give you list of top engineering colleges in Maharashtra. You can choose any college from this list.
https://www.shiksha.com/b-tech/ranking/top-engineering-colleges-in-Maharashtra/44-2-114-0-0

Yes, you can get a good government college but you should be clearing their entrance exam and must have scored well.

Consider following link:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor#

Yes, hotel management degree done through a recognized universities are valid for UPSC exam. Hence, you are eligible for UPSC.

Hi,
There is no particular college for digital marketing. You can go with Symbiosis College, SP Jain, XIMR Mumbai, etc. You can also go with Google AdWords, Analytics course as it is offered free of cost on Google Garage.

Hello,
Here is the list of some good colleges in Mumbai and Pune –
JBIMS
SIBM Pune
SCHMRD Pune
SP Jain
KJ Somaiya
SIMSREE
NMIMS Mumbai
TISS Mumbai
Shailesh J Mehta Institute Management

Yes, according your rank and valid income proof you can be admitted in COEP Pune.

It's not the best institute. You can study hotel management, but the institution seems to be okay with a decent placement record.

Hi Avinash,
I don't know the exact cutoff. However, one of my juniors with 160 marks had got an admission. He was under open category.