What about other legal heirs of yor deceased maternal uncle.
Your mother cannot become a class I legal heir to your deceased maternal uncle.
If there is no Will written on her name by her deceased brother then even the letter of administration that she may obtain from high court will not come to her use to acquire the property left behind by her deceased brother.
he property of the deceased becomes heritable only after the payment of funeral expenses, debts, and legacies. The remaining property, whether movable or immovable, is heritable. Muslim law does not differentiate between corpus or usufruct, corporeal or incorporeal property. There is no concept of ‘joint family property’ and ‘separate property’.
under Islamic law. The nearer heir excludes the remoter one in Muslim law. This means that if two people claim the inheritance, it will be determined according to the degree of closeness to the deceased.
Letter of Administration is granted to the beneficiaries after they apply to a Court of law having competent jurisdiction. Letter of Administration entitles the administrator to all rights belonging to the intestate as effectually as if the administration had been granted at the moment after his death.