Polytechnic

Dear, Its great to hear that from you. Project should be content relevant and cost oriented. You can go for mechanical engineering projects in YouTube for economical projects. Coming to my project we made" rectification and analysis of diesel engine" while cycle washing machine etc. are good ideas. Hope this helps.

Hello,
Here, I want to mention one thing, for everything, there is pros and cons. Talking about problems and difficulties, we face, subjective: small issues in maths because Bachelor's deals with advanced concepts unlike what we dealt with Diploma. Personal : in some colleges some faculty and students may tease us. This was just in very few colleges. Rather we are embedded with great technical knowledge and many known basics are added advantages.

Dear, I think it may not be possible to do so. Internal migration and government to government migrations possible.

Yes. But, you need to clear the entrance. I think, lateral entry is also available for this!
Check-in their official website for details. Hope this helps.

Dear,
I think you can't go for it. Because Polytechnic is an UG programme. You need to do a Bachelor's programme for joining PG. Hope this helps. Keep asking.

Dear,
You have many options available. You can apply for government as well as private services. Or, you can join Diploma. (relevant trade). For knowing various job options availability you can go with various websites and news papers.

It is available here at Andhra and may in Telangana. You have to attend an exam and there by you can directly enter into 2nd year Polytechnic. Keep asking.

Dear,
There are many private colleges available for study. But my suggestion is to go with government colleges which would enhance ones skill.

Dear Deepansu,
It's ones own interest and comfort choosing the branch.
Mechanical engineering is the core branch and In my opinion polytechnic deals with self learning personally and professionally.
You can go through their official website of the college also.
keep asking.
Remember one thing you should frame your own career.