Hii Poonam Jadhav,

Business management is taking over management of a business, this may managing employees, strategic planning, budget control and you will generally have a higher ranking position within a company.

And

Business administration is generally taking care of the administrative tasks that increase in volume as a business grows. Such as bills, customer support, document storage, answering emails, storing receipts and taking minutes at meetings. Things along those lines.

An administrator's job is to keep the business, or one section of the business, running day-to-day. Accounting administrators keep the books balanced. IT administrators keep the computers running and hacker-free. Building administrators keep the physical facilities working smoothly.

Yes, Learning management is a part of training which requires excellent mentor and in the business schools various experienced faculties are there who will guide you in your Start Up.

Hope this will help you.Please feel free to ask if you have any other queries.

Thank you.