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His wife, Devlukia, is a clinical dietitian, nutritionist who specializes in Ayurveda and author of the cookbook “JoyFull: Cook Effortlessly, Eat Freely, Live Radiantly,” which will be released Feb. 27.

Cherla said she had signed up for a program to receive a yoga instructor certification recognized by the Indian government’s Ayush Ministry, which promotes Ayurveda traditional medicine.

As well as cooking and cosmetics, it's been a staple of the traditional medicine practice of Ayurveda, used to treat a variety of conditions from arthritis to wind.

Neti pots have been used for thousands of years as part of Ayurveda, a traditional health system with historical roots in India.

The sisters had travelled together to Kerala - a popular tourist destination - to seek treatment at a traditional Ayurveda healing centre.