Schizophrenia for 30 yrs.

My mother is going through psychotic illness and she has been treating for 20 years , she had ECT also , So now the symptoms She dont have any video hallucinations She has audio hallucination ( someone is saying that her relative has died like this ) As far as delusion concern , she has a strong belief that in news channel anchor will give our family lots of money ,so she used to see news channels , and she dont hear anything from news anchor but she feels like we are listening that anchor will give us money ,uff So basically she only feels , & She also think that we can see god krishna , and she can only feel her presence but cant see him ( it is like a shadow or feeling only ) She can see duplicate photos , like she can see anyone's photo from anywhere ,( she feels that there is another same person standing like a photo ) But again no video hallucination , so mostly delusion,she is taking sodium vaproate 500 mg, lithium carbonate, risperidone & trihexyphendyl