Complex sentence: Tamil is today the principal language spoken in the Nilgiris, but Toda and Baduga are also present, and English is spoken and understood by many thousands too.Malayalam and Hindi are also used to an extent.
Split into simpler sentences: Tamil is today the principal language spoken in the Nilgiris, but Toda and Baduga are also present, and English is spoken and understood by many thousands too. Kannada, Malayalam and Hindi are also used to an extent.