Declension table of niyamasūtra

Neuter	Singular	Dual	Plural
Nominative	niyamasūtram	niyamasūtre	niyamasūtrāṇi
Vocative	niyamasūtra	niyamasūtre	niyamasūtrāṇi
Accusative	niyamasūtram	niyamasūtre	niyamasūtrāṇi
Instrumental	niyamasūtreṇa	niyamasūtrābhyām	niyamasūtraiḥ
Dative	niyamasūtrāya	niyamasūtrābhyām	niyamasūtrebhyaḥ
Ablative	niyamasūtrāt	niyamasūtrābhyām	niyamasūtrebhyaḥ
Genitive	niyamasūtrasya	niyamasūtrayoḥ	niyamasūtrāṇām
Locative	niyamasūtre	niyamasūtrayoḥ	niyamasūtreṣu

Compound niyamasūtra -

Adverb -niyamasūtram -niyamasūtrāt