First of before joining any platform you should just take a look at rules first.
Secondly Upwork suspended your account because you have sent 9-10 proposals in 1 day & got no contract.
Hence proved you should have send only 1 proposal per day.
Now your account is suspended so you should mail them with certification & experience you have in this field.
I hope that you'll get it back. Goodluck & Thank You.