It's actually quite simple.

You buy a house with a provident fund loan. We have signed a sales contract with the developer and a loan contract with the bank. You are afraid that if the bank goes bankrupt, your house will be repossessed as collateral. Don't worry, that's the bank's business, not yours. Once the bank goes bankrupt, other banks will buy it, and then you can go back to that bank Don't worry, the house is still yours.

However, the probability of the situation you described is very small. Don't worry too much'