Interleave transliteration

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Identify sanskrit verses and mantras (not headings) in the below, and transliterate to devanAgarI and insert as below
<details open><summary>देवनागरी</summary>
DEVANAGARI
</details>
<details open><summary>Roman</summary>
Roman original
</details>
Use । and ॥ properly, also reproduce the entire text with the said modifications.