"I appreciate how you itemized cost, ₹2k-5k sensors, Raspberry Pi, etc. You make it believable that you can scale the system down to smaller towns. You should consider throwing in a side note about maintenance , e.g replacing a sensor takes just…"

"I like that you’ve considered elderly and disabled users it makes the system more inclusive. For them, automatic reordering could be life-changing. Accessibility features will be important here."