The correct answer is C. Karnataka State Film Awards.
The Karnataka State Film Awards are presented annually by the Government of Karnataka to recognize artistic and technical excellence in Kannada cinema. The awards are presented in a number of categories, including Best Film, Best Director, Best Actor, Best Actress, and Best Supporting Actor/Actress.
The awards were first presented in 1964, and the ceremony is usually held in November or December. The awards are considered to be one of the most prestigious awards in Kannada cinema.
The other options are incorrect for the following reasons:
- Option A: The Padma Awards are a set of awards presented by the Government of India to recognize distinguished service in various fields. The awards are not presented on the occasion of Karnataka Rajyotsava.
- Option B: The Rajyotsava Awards are a set of awards presented by the Government of Karnataka to recognize outstanding achievements in various fields. The awards are not presented in the field of cinema.
- Option D: The National Film Awards are a set of awards presented by the Government of India to recognize artistic and technical excellence in Indian cinema. The awards are not presented on the occasion of Karnataka Rajyotsava.