ICSI stands for the institute of company secretary in India. As company secretory recruited to handle all the legal aspects of a firm.

The ICSI provides training to those who want to pursue Company secretary.

There are mainly 3 types of program  in training

1.  Foundation programme

2. Executive programme

3. professional programme

To know about more information regarding eligibility criteria, entrance exam, course, fees you can visit here-

https://finance.careers360.com/articles/company-secretary

Hope it helps!