A residential house has been converted into an apartment complex and an apartment has been registered under X’s name. The residential house was owned by X’s father.

X has a brother P (unmarried) and a sister Q (married).

X is divorced male and is remarried to wife Y. They have no kids.

Scenario 1:

After X’s death, who is the legal heir of the apartment? Is it Y, P or Q? Can P or Q demand anything?

Scenario 2:

Suppose after wife Y’s death, X is still living in the property. After X’s death, who is the legal heir? Who is eligible for the share.