Diploma

Yes, the university does provide diploma in hotel management. Kindly look at the link below:
https://www.shiksha.com/hospitality-travel/hotel-hospitality-management/course/diploma-in-hotel-management-sam-higginbottom-institute-of-agriculture-technology-and-sciences-allahabad-195250

Yes, it is possible in even your state from which you completed your Diploma in ECE.

Hello Suraj, You have two options of joining for B.Tech programme. Either in lateral mode directly into 2nd year based on your marks in Diploma. Alternatively appearing and scoring well in CET conducted by your state for admission to first year of engineering.

Hello Upendra, Yes, you can seek admission in lateral mode after completing your Diploma. However your chances are dependent on how those ahead of you give their choice.

Hi,
Candidates seeking admission to PG courses should fill the online application form available on the university website and send it along with the registration fee and relevant certificates within the stipulated time.

Yes, you can get admission for a Diploma course. The eligibility for a Diploma course is class 10th passed.

Of course, yes, that is why so many students do PG in Canada. The field you are in is a hot one and has a high demand all over the world.

If you want to get the PR of Canada and a good job then you should pursue a degree course instead of doing a Diploma course.

Yes, you are eligible for many government exams if you have done Diploma. I would suggest you apply to ISRO and DRDO.