Final answer:
The Cleanliness and Sanitation Bye-laws were regulations implemented in cities to improve sanitation and cleanliness, serving the interests of the elite. They connected to the concept of Mumbai as a 'world class city' by improving the city's infrastructure for the privileged residents.
Step-by-step explanation:
The Cleanliness and Sanitation Bye-laws were regulations implemented in cities to improve sanitation and cleanliness. These laws aimed to address issues such as open sewers and lack of clean water, which were causing the spread of diseases. According to the authors, these laws served the interests of the elite, especially the wealthy and middle class who had access to clean water and sanitary facilities. The concept of Mumbai as a 'world class city' is connected to these laws because they aimed to improve the city's infrastructure and make it more livable for the privileged residents.