You have a grocery delivery service $($similar to Blinkit or Instamart$)$ that ships pan India within $24$ hours. Without searching online for specific details, just by using the power of logic based on assumptions, estimate how many $1-$ton trucks you need to operate this service. $($e$.$g$.$ Assuming that India has $1\mathrm{.}4$ billion people of which we have a $25\%$ market share...$)$