With the COVID-19 pandemic showing the first signs of letting up amidst news that a vaccine by the first quarter of 2021 may be a real possibility, companies have begun planning for a return to work-from-office. With that thoughts will turn to the most important part of the work day — lunch. Already, the dabbawalas of Mumbai are back on the streets, ferrying food to thousands of office goers, but other cities aren't so lucky. So lunch has to be planned once people start going back to work.So, what will be the proper etiquette for lunch in the office in