The document compares regulations for biologics in India, the US, and EU, noting that while the US FDA regulates biologics through the PHSA and FDCA and approves biosimilars through the 351(k) pathway, the EU was the first to pioneer biosimilar regulations through the EMA and various directives. It also provides an overview of the application and approval processes for biologics in each region as well as some historical tragedies involving vaccines to demonstrate the need for stringent regulations.