Declension table of ?tandyamāna

Neuter	Singular	Dual	Plural
Nominative	tandyamānam	tandyamāne	tandyamānāni
Vocative	tandyamāna	tandyamāne	tandyamānāni
Accusative	tandyamānam	tandyamāne	tandyamānāni
Instrumental	tandyamānena	tandyamānābhyām	tandyamānaiḥ
Dative	tandyamānāya	tandyamānābhyām	tandyamānebhyaḥ
Ablative	tandyamānāt	tandyamānābhyām	tandyamānebhyaḥ
Genitive	tandyamānasya	tandyamānayoḥ	tandyamānānām
Locative	tandyamāne	tandyamānayoḥ	tandyamāneṣu

Compound tandyamāna -

Adverb -tandyamānam -tandyamānāt