In a food processor grind the oats to fine powder. Transfer in a wide dish and add boiling water little at a time and make a soft dough. Take few drops of oil and rub it in dough. Knead for a minute or so and cover. Set aside for 15 to 20 minutes.
After 20 minutes heat tawa on medium heat. Make 6 equal balls and roll roti using some flour for dusting. Roti’s will have cracked edges and will take time roasting as well.