Declension table of ?pratyavahāra

Masculine	Singular	Dual	Plural
Nominative	pratyavahāraḥ	pratyavahārau	pratyavahārāḥ
Vocative	pratyavahāra	pratyavahārau	pratyavahārāḥ
Accusative	pratyavahāram	pratyavahārau	pratyavahārān
Instrumental	pratyavahāreṇa	pratyavahārābhyām	pratyavahāraiḥ pratyavahārebhiḥ
Dative	pratyavahārāya	pratyavahārābhyām	pratyavahārebhyaḥ
Ablative	pratyavahārāt	pratyavahārābhyām	pratyavahārebhyaḥ
Genitive	pratyavahārasya	pratyavahārayoḥ	pratyavahārāṇām
Locative	pratyavahāre	pratyavahārayoḥ	pratyavahāreṣu

Compound pratyavahāra -

Adverb -pratyavahāram -pratyavahārāt