Explanation:

- K Shivashankar was a renowned dance choreographer in the South Indian film industry.

- He won a prestigious award in 2010 for his choreography in the Telugu film "Magadheera."

- Option 1: National Film Award

- ?? Correct Answer: He won the National Film Award for Best Choreography for "Magadheera."

- Option 2: Filmfare Award

- Recognizes excellence in the Hindi film industry; a separate category exists for South Indian films.

- Option 3: International Film Academy Award

- Primarily associated with Bollywood and international recognitions are limited.

- Option 4: Guild Award

- Usually pertains to film guilds, like Screenwriters Guild, rather than choreography.