In India, it is highly unusual for a Hindu man to propose to a Hindu woman in such a Western manner. They would also never kiss afterward or in the street in public.
When Todd Charlie and Manmeet hatch the plan to get some air conditioning Manmeet gets upset at having to be the one to actually go threw the ducts and says "why do i have to do it" However he says it in an English accent (which the actor playing Manmeet is) and not an Indian one.
When Todd asks Cameron if he talks to all his customers like that Cameron says "No, just you" However he says it without a Indian accent since Ravi Patel who plays Cameron is from Illinois.