Patliputra University

There's a lot of mixed opinions around everywhere about Patliputra University.

Some consider it to be a good enough university with respect to their expectations of it. 
Some beneficiary, who got good enough results from it might consider it to be Exceptionally good at some attributes
Whereas some consider it to lackluster and fall behind some other better universities even in similar enough location  which are ahead of it.

It depends on who you ask, which is a lot subjective.

The answer is Yes, Both colleges are good for MBA course as well as for Placements. The Patliputra University and B.D. college both are good colleges. The teaching styles and faculty members are incredible in the PPU and also they are well-experienced in their fields. The faculty members has 12+ years of experience in teaching. Many stand up comedians, tv celebrities also came to make the festival more exciting which consisted of many competitions like dance, poetry etc. B.D. college is a state government college. Their faculty members are very good at their work. Both college has 100% placements for their students.

No, You can get entry via other Entrance exams too such as
CAT
JEMAT
ATMA etc.

There's many options for Entrance exams if you want to enter MBA at Patliputra University, you can opt for another if you don't wish to continue with MAT.

Hope that helps.

Patliputra University approximate fees for some courses (may vary)

B.Ed.: approximately Rs 11,000.
B.Sc:Rs 15,000.
BCom: Rs 13,000.
BA (Tourism and Hotel Management):Rs 25,610 per year. 
BSc Economics: Rs 48,955.
BBA Hardware Course:  approximately INR 25,640 yearly, payable in installments.

These are approximate values and may change from time to time, Please check at official site before taking final

Patliputra University admission process for various Undergraduate and Post-graduate programmes vary depending on the stream. Admission to some sources,many of the UG courses are based on merit. A lot of State and national-level entrance exams are accepted for a few UG courses.
Like there's B.Sc. (honors), B.Com. (Honors), B.A. (honors) which selects through Merit-based selections. UGET for BBA/BBM, BCECE and Jee Mains for Engineering, PGCET for MA and MSc, PAT for PhD and CAT, MAT, ATMA, JEMAT for MBA etc. to name a few.

Hope that answers your question

Technically, B. D. college is a part of Patliputra University. There's many colleges under Patliputra University and some of them are bound to have different fee structures for various services they give. 

Though Fee structure of B. D. College is not completely available at it's website, but as per other sources, There's comparable fees in most courses among many colleges, but you have to look at the course and specific colleges you are looking at to compare, as there are some which might be a bit more expensive in one over the other and converse for some other course.

Hope that helps

A candidate can check the university cut-off and merit list of students on the official website of Patliputra Univeristy's official website.
Candidates will have to use their username and password to download and check those details.

A candidate can, also, alternatively check such details on third part sites, if they want to check the older trends of cutoffs too.

The candidates who are willing to get admission for MBA must pass either the CAT / MAT / ATMA / JMET Exams with a bachelor's degree score. For other courses such as MCA, MA, LSW, M.Sc, M.Com, B. Lib & M. Lib, admissions are based on PGCET (Post Graduate Common Entrance test) scores.For every MBA aspirant the Common Admission Test (CAT) is the their goal. However, apart from CAT some of the other management entrance examinations which the candidate can give XAT, MAT, CMAT, SNAP, ATMA, TS ICET, Andhra Pradesh ICET etc. to get admission in Patliputra University.