Dental Products of India ...a division of The Bombay Burmah Trading Corporation Ltd.(DPI) is a pioneer in the manufacture of dental materials in India. We have a proven track record of nearly five decades of dedicated service to the dental profession. \t\t\t\t\t\t\t\t\tDPI is part of the Health Care Division of one of the most well-known and respected industrial conglomerates in India the Wadia Group which has interests in diverse fields.