Ibus avro can't write bangla in any browser, when trying to write for folder name, libre office and others

i'm using ibus avro in my kali linux KDE for writing bangla and its good when writing bangla everywhere like libre office, using bangla folder name, text document.
but when i'm trying to write bangla in any browser like firefox, chromium, tor, it can write only English even i have selected avro for bangla. how can be solve that?