Declension table of ?śastranidhana

Neuter	Singular	Dual	Plural
Nominative	śastranidhanam	śastranidhane	śastranidhanāni
Vocative	śastranidhana	śastranidhane	śastranidhanāni
Accusative	śastranidhanam	śastranidhane	śastranidhanāni
Instrumental	śastranidhanena	śastranidhanābhyām	śastranidhanaiḥ
Dative	śastranidhanāya	śastranidhanābhyām	śastranidhanebhyaḥ
Ablative	śastranidhanāt	śastranidhanābhyām	śastranidhanebhyaḥ
Genitive	śastranidhanasya	śastranidhanayoḥ	śastranidhanānām
Locative	śastranidhane	śastranidhanayoḥ	śastranidhaneṣu

Compound śastranidhana -

Adverb -śastranidhanam -śastranidhanāt