B.Com

Hi Krishna,
The cut-off is not out yet. You should keep a track of this website to see the merit list notification:
http://www.mdurohtak.ac.in/info/ugmeritlist.html

Yes Latika,
You are definitely eligible for the dietician course. As you have already done your graduation from B.Com, now you can surely opt for any other course.

Candidate applying for honors must have obtained a minimum of 60% marks in the aggregate with 45% marks in at least four subjects including English and Maths/Business Maths/Statistics and must have passed in all subjects as per the respective board/council pass marks.
For applying to B.Com, Maths / Business Maths / Statistics is compulsory in Plus-II level.

Hi Premlata,
The admission procedure varies from one college/university to another. Some accept admission on merit basis while other conduct entrance exam for the same.

There are no of renowned colleges in pune that offers B.Com. Some of them are:
MIT Arts, Commerce and Science College
College of Science, Commerce and Information Technology, Audogik Shikshan Mandal
Suryadutta College of Management, Information Research and Technology
For more colleges and further information you can visit the link below:
https://www.shiksha.com/accounting-commerce/colleges/b-com-colleges-pune

At 76%, you will get admission for B.Com at MIT ACSC.
Link:
www.mitacsc.ac.in

The Faculty Training and Placement Cell (FTPC) co-ordinates with various industries and organizations for campus recruitment. The FTPC comprises faculty members and a group of Student Representatives from various classes. The FTPC also coordinates with the placement cell of the DEI. The FTPC is further supported by the institutes Industry-Institute Partnership Cell (IIPC) together with the DEI Alumni Placement Assistance Cell (DEIAPAC).

In BBA, you will get the overview of management. However, if you have some sort of specialization, then it may differ. Wheares in B.Com, the main focus is on accounts and taxation. As you said, you are interested in accounts, B.Com would be the best option.
Hope this helps.
Good luck.