Hi, Hope you are doing well!
Go to this website of MHTCET which is their official website, you can log in to their student portal at this link- https://mhtcet2020.mahaonline.gov.in/
Use your login id and password to log in. Once you log in you will be able to see your application and click on the 'download' option. Your application will be downloaded and you can print it thereafter.