IIM

BITS is an autonomous UGC approved university. All degrees awarded by University even by WILP are valid for seeking admission in higher education in India and abroad. As you have done a degree by distance learning you may get lesser preference or weightage in GDPI because of general mindset about such degrees.

Hi,
The best institute is IISWB&M (oldest B-school of India), IIFT, IIT-K, Vinod Mehta Management and you can also check BIBS and IMI.
If possible share your percentile and area of interest.

It will be difficult for you to get into IIMs. Your scores are on lower side. You need to score very high in CAT. Along with this you need to have good work profile or extra curricular activities.

Admission in IIM is based on meritocracy. There is no branch or subject-wise stated preferences at any of the IIMs.

Yes, your academics and work experience will give you good edge as there is such reservation for marks according to SSC, HSC, graduation, work experience and awards.

Quick Answer - IIMs do not offer any specialisations. Colleges like SP Jain, SIBM, etc. do offer specialisations (single).

Hi,
Course consists of core curriculum (compulsory credit courses and compulsory non-credit courses), a summer internship (compulsory industry training between first and second year) and elective courses electives offered are behavioral sciences, economics, finance, human resource management, management information systems, marketing, management center for human values. In addition to the above mentioned electives student also have an option to select from operations, public policy and management and strategic management

You can join a coaching institute. There are various institutes out there. Mock exams will help you assess yourself against others. Apart from that, focus on clarity.

You can pursue PGP program on qualifying CAT exam provided you meet eligibility criteria of min 50% in graduation degree.