Declension table of ?rathasūtra

Neuter	Singular	Dual	Plural
Nominative	rathasūtram	rathasūtre	rathasūtrāṇi
Vocative	rathasūtra	rathasūtre	rathasūtrāṇi
Accusative	rathasūtram	rathasūtre	rathasūtrāṇi
Instrumental	rathasūtreṇa	rathasūtrābhyām	rathasūtraiḥ
Dative	rathasūtrāya	rathasūtrābhyām	rathasūtrebhyaḥ
Ablative	rathasūtrāt	rathasūtrābhyām	rathasūtrebhyaḥ
Genitive	rathasūtrasya	rathasūtrayoḥ	rathasūtrāṇām
Locative	rathasūtre	rathasūtrayoḥ	rathasūtreṣu

Compound rathasūtra -

Adverb -rathasūtram -rathasūtrāt