Declension table of ?tāpasāraṇya

Neuter	Singular	Dual	Plural
Nominative	tāpasāraṇyam	tāpasāraṇye	tāpasāraṇyāni
Vocative	tāpasāraṇya	tāpasāraṇye	tāpasāraṇyāni
Accusative	tāpasāraṇyam	tāpasāraṇye	tāpasāraṇyāni
Instrumental	tāpasāraṇyena	tāpasāraṇyābhyām	tāpasāraṇyaiḥ
Dative	tāpasāraṇyāya	tāpasāraṇyābhyām	tāpasāraṇyebhyaḥ
Ablative	tāpasāraṇyāt	tāpasāraṇyābhyām	tāpasāraṇyebhyaḥ
Genitive	tāpasāraṇyasya	tāpasāraṇyayoḥ	tāpasāraṇyānām
Locative	tāpasāraṇye	tāpasāraṇyayoḥ	tāpasāraṇyeṣu

Compound tāpasāraṇya -

Adverb -tāpasāraṇyam -tāpasāraṇyāt