भक्ति की सीढ़ी bhakti kī sīṛhī

भक्ति bhakti (sanskrit)

Religious devotion, adoration, loving faith, piety, devoted service.
(Bābā) Bhakti, the system of worship based on faith in God, devotion and love for Him, devoid however of the true knowledge (gyan) about Him.

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)

सीढ़ी sīṛhī (hindi)

Ladder, stairs, staircase, escalator, stile, stepping stone.