When exploring topics like this, especially those that might involve specific cultural or ethnic groups (in this case, "mallu" which could refer to Malayali people from Kerala, India), it's essential to approach the subject with sensitivity and respect for cultural differences.
Movies, as a form of media, often reflect, critique, or explore societal norms, including those around work, gender roles, and ethnicity. If you're interested in films that feature characters like servants or maids, there are many movies across different genres that explore these themes. Some films might portray these characters in stereotypical ways, while others might offer more nuanced or progressive representations.