His research is concerned with different aspects of acquisition and use of multilingualism. His current research is focused mainly on demonstrating (a) the different ways in which bilingual�s creativity is expressed in contexts of language contact; specifically, code-switching and mixing, and (b) language ideologies that underlie a range of socio-linguistic domains; specifically, analyses of �expert� discourse in ESL pedagogy (in post-colonial contexts), linguistic acts of local resistance to global linguistic hegemony, and language loss, maintenance and shift of minority languages.