To add new branch, please go to the Parent company and follow the below mentioned steps:
Step 1 : Click on Company name >> Add new company.
Step 2 : Enable the toggle of Is Branch >> Select the *Parent company.
Step 3 : Enter the company name and other details like GSTIN, Mobile number, Address >> Click on Save & Update.
If the company name is same, you can enter the same name and, in the Organization name you can include the location for identification.