To ask "what are you doing?" in Kannada, you can say "ನೀನು ಏನು ಮಾಡುತ್ತಿರುವೆ?". This can be translated to "Nīnu ēnu māḍuttiruve?". There are also several responses you can give to this question in Kannada, such as "ನಾನು ಊಟ ಮಾಡುತ್ತಿದ್ದೇನೆ" (I am eating), "ನಾನು ಆಡುತ್ತಿದ್ದೇನೆ" (I am playing), "ನಾನು ನಡೆಯುತ್ತಿದ್ದೇನೆ" (I am walking), and so on.