Carers allowance stopped?

I received carers allowance for a couple of years (for my daughter who is entitled to DLA) but then in January is suddenly stopped/ paused while they checked my income from self employment. I filled in the forms and sent back straight away - my income is far below the threshold so it should have been straight forward - but nearly 8 months later and it hasn’t restarted yet. I’ve phoned lots of times and each time just told a decision hasn’t been reached yet (?) even though I’ve said it’s causing me financial hardship and asked to speak to a manager - no one ever rings back. Anything I can do?!