Shields', while at a theatrical workshop, was spotted by an acting agent. According to Google zeitgeist, in the year 2010, Aruna was the number one most sought-after actress in internet queries originating from India.
Shields' has a wellbeing channel on YouTube called Aruna Shields TV, which began in 2015. 
She studied Hypnosis and Psychotherapy at Masters level at the National Colleges in London and also trained in Mindfulness.  Her earlier education includes a distinction from the Guildhall School of Music and Drama, a degree from Central Saint Martins, and an academic scholarship to Durham Boarding School.
She made her Bollywood debut in 2010, in the action thriller, Prince. The same year, she played the female lead in the epic adventure Ao The Last Neanderthal, a love story set 30,000 years ago in a lost savage world. The film was produced by European cinema chain UGC.