Dear Shivam
Business law is a law specialisation which is also referred to as Mercantile Law.
Business Law deals with the laws on the basis of which every deal between people and commercial firms are governed.

Business Law has two distinct areas of functioning which are:

• Regulation of commercial entities that is done through laws of company, partnership, bankruptcy and agency.
• Regulation of commercial transactions that are done through the laws of contract.

It is a full time course.
And the duration of the course is 2 years.

I hope this information helps you

all the best