Hey

CPT is the first step into the CA course. Read this article about it CA.

https://www.careers360.com/news/4162-Chartered-Accountancy-CA

However for june session the application process have ended. So try in the next round of CPT.

https://finance.careers360.com/articles/ca-cpt-application-form

For the next form submissions, you can check their main website i.e. https://www.icai.org/ .

Good luck