There are many languages spoken in Kerala, though the official language of Kerala is Malayalam. This language belongs to the Dravidian group of languages. Almost 90% people of Kerala speak Malayalam. There are 5 main regional dialects of Malayalam. Other common languages that are spoken in Kerala are English and Tamil. These Kerala languages are often interspersed with words from Sanskrit, Latin, Urdu, etc. due to foreign influence.
Almost everyone in Kerala can converse in English, since education is
given much importance there. Not only education, the British influence
in India left its impact in the form of English being one of the most
important languages in India. Conversing with people of Kerala shouldn't
be a problem at all. They are always ready to help tourists find their
way and ensure that they have a comfortable and hassle free journey.