Declension table of vipaśyana

Neuter	Singular	Dual	Plural
Nominative	vipaśyanam	vipaśyane	vipaśyanāni
Vocative	vipaśyana	vipaśyane	vipaśyanāni
Accusative	vipaśyanam	vipaśyane	vipaśyanāni
Instrumental	vipaśyanena	vipaśyanābhyām	vipaśyanaiḥ
Dative	vipaśyanāya	vipaśyanābhyām	vipaśyanebhyaḥ
Ablative	vipaśyanāt	vipaśyanābhyām	vipaśyanebhyaḥ
Genitive	vipaśyanasya	vipaśyanayoḥ	vipaśyanānām
Locative	vipaśyane	vipaśyanayoḥ	vipaśyaneṣu

Compound vipaśyana -

Adverb -vipaśyanam -vipaśyanāt