Declension table of ?nidhyāna

Neuter	Singular	Dual	Plural
Nominative	nidhyānam	nidhyāne	nidhyānāni
Vocative	nidhyāna	nidhyāne	nidhyānāni
Accusative	nidhyānam	nidhyāne	nidhyānāni
Instrumental	nidhyānena	nidhyānābhyām	nidhyānaiḥ
Dative	nidhyānāya	nidhyānābhyām	nidhyānebhyaḥ
Ablative	nidhyānāt	nidhyānābhyām	nidhyānebhyaḥ
Genitive	nidhyānasya	nidhyānayoḥ	nidhyānānām
Locative	nidhyāne	nidhyānayoḥ	nidhyāneṣu

Compound nidhyāna -

Adverb -nidhyānam -nidhyānāt