namas te sArasvata deva
gauravANI-pracAriNe
nirvizeSa-zUnyavAdi-
pAzcAtya-deza-tAriNe

The Sanskrit word namas must take the dative case. "te" "pracAriNe" and "tAriNe" are all datives. None of the forms that are currently chanted are datives. Devam, for instance, is an accusative. The only other case you can use in these circumstances is a vocative,

"O divine disicple of Saraswati Thakur! I bow down to you, who preaches the message of Lord Chaitanya and who delivers the Western countries full of the doctrines of impersonalism and voidism.