Polytechnic

Fee structure of GPL yearly , total Rs. 12670 . Tution fee is Rs. 8000 and if you take hostel then you will be pay Rs. 4670 .
So total fee of Uttar Pradesh polytechnic College is Rs. 12670 , but wait it is Refundable. Yes if you are Uttar Pradesh residents then your total fees comes in scholarship.
So finally your diploma is complete in free of cost

Yes ,There is Fee benifits in tuition fees for EWS candidate i.e. 2/3rd of Tution fee Is laid off , Do not blindly follow me and. Do your own research and get confirm from official sources and know the fees.

Cut off marks for admission to a diploma varies from one state to another state and also for different category of persons based on caste. In general, with special reference to Tamil nadu State ,I can give the MAX-MIN% cut off for different category.However, this may vary slightly upwards/downwards.
OC and forward caste persons is varies from 100 to 80% of total marks in SSLC/SSC(10th class)
BC is varies from 79 to 60% of total marks.in SSLC/SSC(10th class)
MBC is varies from 59 to 40% of total marks.in SSLC/SSC(10th class)
SC/ST is PASS % of total marks.in SSLC/SSC(10th class)

In Government Polytechnic Ahmedabad approximately 127 companies come for placements. Tata teleservices and L&T Ltd. are the most recruiting companies in this college.

Government Polytechnic College for Women, Coimbatore is offering Diploma Courses in Engineering on fulltime basis to women students selected according to State government, norms. Also it is empowered to offer need based Part Time courses for men and women and award Certificates under other Projects. The institute is to establish close links with local industries and community by offering them training and other services. So College if offering part time need based Certificate courses not the Diploma engineering courses.

You can check the website of that particular college.

Yes there are college in Fashion design technology

For getting admission for Diploma in Computer Engineering at Tha par Polytechnic college not clear cutoff is mentioned anywhere but I have read it was above 90% .

Yes, You must pursue B.Tech as in today's era Degree is prefer over Diploma. And side by side do some certifications as well like coding in python, web. Designing etc. Not bookish knowledge is acceptable today, if you do good in your field you must have other knowledge other than course syllabus since the company now a days search for the cream. Be the cream and get placed in the good company after B.Tech.

According to the information which I have, when you join through counseling it is about 1.6 lakhs and by management it is about 1.8 lakhs. If you opt hostel then it will around 2 lakhs. Then this is the best college if you are looking for an affordable college.