Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: Indian anti-corruption activist Arvind Kejriwal has defied expectations with a landslide victory in the Delhi state elections just months after being thrashed in the general elections.

Arvind Kejriwal, India's corruption-buster