Section 43B(b) in Bihar Hindu Religious Trusts Act, 1950
(b)All immovable properties of any Pauranic Mandir or Math which has been regarded sacred for Centuries or of a gaddi (seat) of a particular sect which has been in existence for generations will be the property of that pauranic mandir/math or of that sect, even when mutated in the name of any trustee unless it is proved that he acquired it through disclosed source of his personal income.