रूहानी बाप की रूहानी बच्चों को नमस्ते rūhānī bāp kī rūhānī bachchō̃ kō namastē

बच्चा bachchā (hindi)

Child, kid, baby, infant.
Inexperienced, raw, of unripe age.

बाप bāp (hindi)

Father.

का kā (hindi)

का denotes one of the under-mentioned relations between a Noun or a Pronoun and another Noun which follows the former. If the Noun that follows is Feminine (singular or plural), का changes to की; if it is Masculine and Plural, or has an oblique form, का changes to के.

• Possession and relationship.
• Material or composition.
• Worth and measure (space or time).
• Source, origin, cause.
• Subject (doer of an act).
• Object (of an activity).
• Part of a whole.
• Purpose.
• Characteristic.
  (A Basic Grammar of Modern Hindi)

को kō (hindi)

को is used for denoting:

• A Person who 'does' something involuntarily (such as—like, dislike, remember, be injured, be offended, suffer, feel, enjoy, receive, happen, to have, to meet, to know, to see or to hear, or to do something under compulsion, requirement, necessity, obligation, etc.).
• An Animate Object, provided it denotes a particular being.
• The object of a Verb in the Neutral Construction.
• Every Secondary Object (which is usually animate).
• The Object of a Verb requiring a predicative word (referring to the object).
• Nouns denoting time when used adverbially.
  (A Basic Grammar of Modern Hindi)

रूहानी روحاني rūhānī (arabe)

Spiritual.