Yeah! If you are sure that you will be able to qualify your Graduation in 2022, then you are eligible to apply for the SSC CGL 2021 but the submission of application form date is over. So at this moment, if you wish you can't apply for the SSC CGL 2021, but you are eligible for it.

For more information regarding SSC CGL you can consider visiting the official website of SSC:

https://ssc.nic.in/

I hope this helps. Wish you a great day!