Hello ashwani,
Yes, You are eligible for BBA. To pursue a BBA Courses, A candidate have 10+2 certificate from any Recognized board or university.
In BBA, You have to study about organization structure, Accounts, Statistics, Economics, managerial Economics, Human Resources and other business& management aspects.
BBA provide insight of Business and Management in early stage of life. Students learns about how a organization works, What's are the aspects of a organization, Operation of a company etc.
There are various BBA college in Chandigarh.
Punjab University
Gyan Jyoti Institute
Government institute of Commerce and Management
You can find more college list on careers360 portal/app.
Good Luck.