- https://www.thehindu.com/life-and-style/food/ramki-on-opos-and-cooking-under-pressure/article22521160.ece
- https://www.thehindu.com/life-and-style/food/a-crash-course-in-one-pot-one-shot-opos-cooking/article24021855.ece
- https://www.pressreader.com/india/the-hindu/20190910/282806423001027
- https://www.pressreader.com/india/the-hindu/20190910/282806423001027
- https://www.thenewsminute.com/article/one-pot-one-shot-cooking-method-puts-south-indian-love-pressure-cooker-use-57445
- http://www.thehindu.com/todays-paper/tp-features/tp-metroplus/To-serve-with-pressure/article14633561.ece
- https://www.hindustantimes.com/more-lifestyle/opos-this-cooking-style-is-revolutionising-indian-food-with-just-a-pressure-cooker/story-NYLU1Wz3uZwAPSYj0EZsMK.html
- https://www.hindustantimes.com/more-lifestyle/opos-recipes-gajar-halwa-in-10-minutes-chicken-tikka-masala-in-7-try-it/story-vZRVKySlEw2659jFVhMvyH.html
- https://www.newindianexpress.com/cities/chennai/2019/jun/06/cooking-up-a-storm-in-one-pot-1986511.html
- https://www.thehindu.com/life-and-style/food/one-pot-one-shot-opos-technique-founder-b-ramki-workshop-in-chennai/article23977996.ece
- https://timesofindia.indiatimes.com/city/chennai/tales-thalis-tell/articleshow/72420815.cms
- https://www.thehindubusinessline.com/blink/cover/opos-chefs-lockdown-lessons/article31422183.ece?fbclid=IwAR1PGAW6qBayIoAI7iFrOFF1vZMWznhdW56f6REfYTZkBPzJNWTmg6N-peg