Is there any treatmen for the small bone in our ear?

Recently i tested my ears and found that I could hear above 45 dzl only. As per thire conclusion, the small bone in my ear became stiff due to the presence of a some kind
Of small white powder. They suggested an operation to remove that stiffnes. Please give me an advice.

It sounds like the cause of your hearing loss is related to abnormal bone growth of the ossicles. Take second opinion and consult on the risks versus benefits of these surgical procedures.