Raya Uma Dutta is one of the key teachers of the Ramamani Iyengar Memorial Yoga Institute (RIMYI). Raya has attended RIMYI since the age of 10. At the age of 20 he began teaching there.

In 1998 he was part of the demonstration of asanas for the celebration of the 80th birthday of B.K.S. Iyengar, and from that demonstration Guruji took him as his student.

He accompanied Guruji to Russia in 2009 and China in 2011. In 2009 he was also part of the Geetaji delegation for the Australian Convention and in 2011 for the South African Convention. Since 2002 he has been one of the teachers conducting general classes at RIMYI.