| Singular | Dual | Plural |
| Nominative |
कठोरहृदया
kaṭhorahṛdayā
|
कठोरहृदये
kaṭhorahṛdaye
|
कठोरहृदयाः
kaṭhorahṛdayāḥ
|
| Vocative |
कठोरहृदये
kaṭhorahṛdaye
|
कठोरहृदये
kaṭhorahṛdaye
|
कठोरहृदयाः
kaṭhorahṛdayāḥ
|
| Accusative |
कठोरहृदयाम्
kaṭhorahṛdayām
|
कठोरहृदये
kaṭhorahṛdaye
|
कठोरहृदयाः
kaṭhorahṛdayāḥ
|
| Instrumental |
कठोरहृदयया
kaṭhorahṛdayayā
|
कठोरहृदयाभ्याम्
kaṭhorahṛdayābhyām
|
कठोरहृदयाभिः
kaṭhorahṛdayābhiḥ
|
| Dative |
कठोरहृदयायै
kaṭhorahṛdayāyai
|
कठोरहृदयाभ्याम्
kaṭhorahṛdayābhyām
|
कठोरहृदयाभ्यः
kaṭhorahṛdayābhyaḥ
|
| Ablative |
कठोरहृदयायाः
kaṭhorahṛdayāyāḥ
|
कठोरहृदयाभ्याम्
kaṭhorahṛdayābhyām
|
कठोरहृदयाभ्यः
kaṭhorahṛdayābhyaḥ
|
| Genitive |
कठोरहृदयायाः
kaṭhorahṛdayāyāḥ
|
कठोरहृदययोः
kaṭhorahṛdayayoḥ
|
कठोरहृदयानाम्
kaṭhorahṛdayānām
|
| Locative |
कठोरहृदयायाम्
kaṭhorahṛdayāyām
|
कठोरहृदययोः
kaṭhorahṛdayayoḥ
|
कठोरहृदयासु
kaṭhorahṛdayāsu
|