My ilex bonsai is losing leaves (browning and falling off) also some leaves are yellowing. I have fertilised today & water regularly (every 2 days). Have had it for 6 months. It is kept indoors in a lightish but shaded area, no direct sunlight. Never been re-potted. I can't see any sign of disease or insect damage at all. Need help , hoping it doesn't die !!!
Thanks

You are killing it inside get it out

Could you remove that mess from the soil so we can see it?
Not sure, but to me it seems you're drowning it.