ANSWER:

It is not permissible to favor one child over others in gifts as this is prohibited and sinful and a cause for enmity between the siblings.

He must either give all or give none.

QUESTION: My parents are living with one of my brothers who is jobless My father gives his pension to this brother since he is taking care of their expense Now he wants to sell his portion of property and give it to that brother so that he can invest in some business but my other brother seems to be unhappy with his decision whats ur opinion