how to weigh the school bag??

source: https://www.thehindu.com/news/cities/chennai/school-bags-remain-a-weighty-issue/article25593035.ece

I imagine watchman in the school gate who will have a weighing machine and kids coming loaded lightly will be made to place their bags and only if they are close to the govt. declared 'average', they will be permitted.


This is the most analogous guideline one can come up in the digital age.