Good sentence. But you should start the sentence with the capital letter and put a full stop.

I know English but I am unable to speak. Practice makes a man perfect. So talk in English with friends, watch English conversation videos or news and read the English newspaper ete...

Sugar cane is called ganna in Hindi.

It could be a verb as well as a noun.

Which one?

Hey, you're welcome!

Wait at least a minute or two minutes. And if you're still unable to connect then exit from it and try to connect again.

Welcome dear!

Your grin is so good.

It's not "sound great". It's " sounds great ". It means that's fine. Or if someone gave you any suggestions and you like it then you can use it.