According to Ethnologue
Ethnologue: Languages of the World is a web and print publication of SIL International , a Christian linguistic service organization, which studies lesser-known languages, to provide the speakers with Bibles in their native language and support their efforts in language development.The Ethnologue...
, seven varieties of Romani are divergent enough to be considered languages of their own. The largest of these are Vlax Romani (about 900,000 speakers), Balkan Romani
Balkan Romani is group of dialects of the Romani language spoken in various Balkan countries.-Dialects:The Balkan dialects are split into two main groups, a northern group and a southern group :...
(700,000), Carpathian Romani (500,000) and Sinti Romani
Sinti-Manouche is the variety of Romani spoken by the Sinti people in Germany, France, Austria, some parts of northern Italy and other adjacent regions...
Analysis of the Romani language has shown that it is closely related to those spoken in the central and northern Indian subcontinent.