Delhi University (DU)

No doubt, IT Delhi is better than Amity in case of placements.
But if you're looking for better campus, you can opt for Amity too.

The forms will be out in the month of May. Do keep a track of the official website for the updates.

Top colleges for BA under DU are:
1. St. Stephen's College.
2. Lady Shri Ram College for Women.
3. Hindu College.
4. Miranda House.
5. Hansraj College.
To know about the eligibility please mention the name of the course.

So simple, it's a school of economics and MBA will come under the school of management studies. MBA HR under the schools of management is totally different from the schools of economics.

No, Delhi University does not have the course. You have the option at Guru Gobind Singh Indraprastha University (GGSIPU), New Delhi (Under Delhi Government) for 4 years Bachelor degree in Hotel Management

UPSC conducts civil services exam every year for the posts of IAS, IPS, IRS, etc. For Civil Services exam, you need graduation in a stream with any percentage.
So you can apply for Civil Services Exam after graduation (B.Com) or you can also apply for Civil Services exam while appearing in final year

The best university for B.Ed after DU is Jamia Millia Islamia. It is good in terms of infrastructure, faculty and facilities.

Yes, DUET is valid for BA.
For details refer to the link: https://www.shiksha.com/university/university-of-delhi/exams/duet.