IGNOU - Indira Gandhi National Open University

For Bachelor in Library and Information Science
Total Fees: 6,000|1 years|Distance/Correspondence

No, it is not necessary, you have to come only for examination at the same place from you are doing that course.

https://www.shiksha.com/law/course/b-a-ll-b-hons-faculty-of-law-banaras-hindu-university-Varanasi-247315
Yes, you can apply
here I am mentioning a link by following it you can know the complete admission process for this course in this college.

https://www.shiksha.com/bba-bachelor-of-business-administration-chp
here is the complete details about the BBA Management, you can visit the link to get aa the updates.
February 18, 2020: Last date of admission to all courses extended to February 28, 2020.
January 31, 2020: OPENMAT applications are available. The last date to apply is February 29, 2020.
January 3, 2020: New online certificate courses introduced in Arabic & Russian language

M.Com from IGNOU is very much valid as regular course, Because it is very hard to pass in IGNOU exams and score good marks. IGNOU is a reputed central university, recognised by UGC, DEC and AICTE.

Yes,
IGNOU is a trusted and accredited government distance education university. It is a central university which was established by an act of parliament in 1985. Therefore, a distance education degree from IGNOU is equivalent to a degree granted by any accredited university in India.

https://www.shiksha.com/science/colleges/distance-correspondence-m-sc-colleges-india
Here is the list of the college that provides M.Sc. In physics in correspondence mode.

IGNOU BPP Admission 2019 - The Indira Gandhi National Open University offers admission to it's Bachelors Preparatory Programme (BPP) programme. The students applying for IGNOU BPP admission in any of January or July academic cycle has to pass out the total of credits to complete the programme.

Pass with a Bachelor's degree in Home Science or Nutrition or Dietetics or Food Science or Biology or Microbiology or Clinical Biochemistry or Life Sciences or MBBS or BDS or B.Sc Nursing or B. Admission shall be given on Merit-based of Past Academic performance.