Declension table of sastrīka

Masculine	Singular	Dual	Plural
Nominative	sastrīkaḥ	sastrīkau	sastrīkāḥ
Vocative	sastrīka	sastrīkau	sastrīkāḥ
Accusative	sastrīkam	sastrīkau	sastrīkān
Instrumental	sastrīkeṇa	sastrīkābhyām	sastrīkaiḥ sastrīkebhiḥ
Dative	sastrīkāya	sastrīkābhyām	sastrīkebhyaḥ
Ablative	sastrīkāt	sastrīkābhyām	sastrīkebhyaḥ
Genitive	sastrīkasya	sastrīkayoḥ	sastrīkāṇām
Locative	sastrīke	sastrīkayoḥ	sastrīkeṣu

Compound sastrīka -

Adverb -sastrīkam -sastrīkāt