Declension table of samudrayāna

Neuter	Singular	Dual	Plural
Nominative	samudrayānam	samudrayāne	samudrayānāni
Vocative	samudrayāna	samudrayāne	samudrayānāni
Accusative	samudrayānam	samudrayāne	samudrayānāni
Instrumental	samudrayānena	samudrayānābhyām	samudrayānaiḥ
Dative	samudrayānāya	samudrayānābhyām	samudrayānebhyaḥ
Ablative	samudrayānāt	samudrayānābhyām	samudrayānebhyaḥ
Genitive	samudrayānasya	samudrayānayoḥ	samudrayānānām
Locative	samudrayāne	samudrayānayoḥ	samudrayāneṣu

Compound samudrayāna -

Adverb -samudrayānam -samudrayānāt