Cancelling visa and claiming gratuity after forced COVID-19 leave

Good afternoon.

I am working in a nursery but since March we were forced to leave until September, and until now, we haven't heard anything about reopening the nursery.

We signed a formal forced leave without date until September. Now it's December and we have not received any assistance from them. I wanted to go back to my country but they said I need to pay them.

I want to take my gratuity and I was working with them for more than 5 years. This is my second 2 years contract with them. My contract will be over in October 2021.

But I need to work for my family especially now in the COVID-19 situation. I need to have a new stable income.

Please enlighten me what to do.