Singular
* Nominative (Subject): भगिनी (bhaginī) - sister
* Accusative (Object): भगिनिम् (bhaginim) - sister (acc.)
* Instrumental (Means): भगिन्या (bhaginyā) - by a sister
* Dative (Indirect Object): भगिन्यै (bhaginyai) - to/for a sister
* Ablative (Separation): भगिन्याः (bhaginyāḥ) - from a sister
* Genitive (Possession): भगिन्याः (bhaginyāḥ) - of a sister
* Locative (Location): भगिन्याम् (bhaginyām) - in/at/on a sister
Plural
* Nominative (Subject): भगिन्यः (bhaginyaḥ) - sisters
* Accusative (Object): भगिन्यः (bhaginyaḥ) - sisters (acc.)
* Instrumental (Means): भगिनिभिः (bhaginibhiḥ) - by sisters
* Dative (Indirect Object): भगिनिभ्यः (bhaginibhyaḥ) - to/for sisters
* Ablative (Separation): भगिनिभ्यः (bhaginibhyaḥ) - from sisters
* Genitive (Possession): भगिन्यानाम् (bhaginyānām) - of sisters
* Locative (Location): भगिनिषु (bhaginishu) - in/at/on sisters
Note:
* The shabda roop of "bhagini" is derived from the feminine noun stem "bhaginī".
* The declension follows the feminine a-stem model.
* The use of each case is determined by its grammatical function in a sentence.
Let me know if you would like to know the shabda roop of any other Sanskrit word!