India, Dec. 8 -- When all eyes are on the headlines, waiting for at least some improvement in Delhi's AQI and subsequent easing of GRAP restrictions, a married couple in south Delhi's Sainik Farms remain far from any worry. Reason? Delhiites Peter Singh and Neeno Kaur have developed a highly self-sufficient and sustainable way of living with 'good' AQI, which is often recorded at 15 in their house!

Using aquaponics - a method of farming that uses water from fish tanks to irrigate plants - this couple that calls themselves urban farmers, grows around 15,000 plants at their home's rooftop. "We have a big cool panel at the entrance to our home and green house, which has water trickling through it. An exhaust fan pulls in the air, which is c...