Since 1987, Simhalan has been part of most of the productions of the Indian Chandralekha (dancer) group (1988–1993) and Shobana Jeyasingh dance company (1993–2003) as a dancer and educational/workshop leader. At the same time, Simhalan has worked as a soloist and a choreographer. Simhalan has toured and performed in productions of Wayne McGregor (UK), Richard Alston (UK), Laurie Booth (UK), Roger Sinha (Canada), Mavin Khoo (UK), and was also part of the 2001 Basement Jaxx album and Emergency Exit Arts production RungaRung. In the summer of 2000, Simhalan both choreographed for and performed in the award-winning production, Coming of Age, directed by Keith Khan.