Conversation so far:
in which year mysore state was renamed as karnataka
Originally known as the State of Mysore, it was renamed Karnataka in 1973.
what does the state name karnataka mean
Though several etymologies have been suggested for the name Karnataka, the generally accepted one is that Karnataka is derived from the Kannada words karu and nādu, meaning elevated land.
Who was the chief minister when Mysore state was renamed Karnataka?
On 1 November 1973, under Devaraj Urs as Chief Minister, Mysore state was renamed as Karnataka.

Question: when was the state formed
Self-contained rewrite: when was the state of Karnataka formed