Siya Ram Dhun Most powerfull mantra

Do you know that the shri is another name of maa lakshmi who is none other than maa sita?

Maa lakshmi is called shri many times in the vishnu purana

“I bow down to Śrī, the mother of all beings, seated on her lotus throne, with eyes like full-blown lotuses, reclining on the breast of Viṣṇu.

In the literal sense,both jai siya rama and jai shri rama means “glories to shri and rama” which means glories to siya and rama.