Sanskrit declensions are varied and you have to take care of the ending vowel of every noun before you start making the use of various forms of that word according to various cases called vibhaktis.
In this article, we present the declensions of the Sanskrit word Krishna–कृष्ण, which is a masculine word ending with the vowel अ.
| Case | Singular | Dual | Plural |
| I (Subject) | कृष्णः | कृष्णौ | कृष्णाः |
| II (To, Object) | कृष्णम् | कृष्णौ | कृष्णान् |
| III (With, By) | कृष्णेन | कृष्णाभ्याम् | कृष्णैः |
| IV (For) | कृष्णाय | कृष्णाभ्याम् | कृष्णेभ्यः |
| V (From, Than) | कृष्णात् | कृष्णाभ्याम् | कृष्णेभ्यः |
| VI (Of) | कृष्णस्य | कृष्णयोः | कृष्णानाम् |
| VII (In, On) | कृष्णे | कृष्णयोः | कृष्णेषु |
| Vocative | हे कृष्ण | हे कृष्णौ | हे कृष्णाः |