SUCCESSION: Administration of estates - Grant of probate - Failure to apply for letters of administration first before obtaining grant of probate - Locus standi - Whether Amanah Raya Berhad had locus standi to continue trial proceedings on behalf of estate - Whether letters of administration pendente lite could be granted with backward effect - Doctrine of relation back - Whether applicable to give party locus standi to actions commenced, undertaken or continued

CIVIL PROCEDURE: Locus standi - Proceedings - Administration of estates - Failure to apply for letters of administration first before obtaining grant of probate - Whether probate wrongfully and unlawfully issued - Whether Amanah Raya Berhad had locus standi to continue trial proceedings on behalf of estate - Whether letter of administration pendente lite could be granted with backward effect - Doctrine of relation back - Whether applicable to give party locus standi to actions commenced, undertaken or continued