Indian Small and Rural Business Exposition (ISRB) is a one of its kind Event organized and being hosted by Puthiya Thalaimurai Foundation, Puthiya Thalaimurai Group. The Puthiya Thalaimurai Foundation was established in 2010 by Dr. P.Sathyanarayanan, Founder of Puthiya Thalaimurai Group. The NGO is working for improving Rural Education & Youth Development. Ever since 2010, the Foundation has conducted 8 Business Expositions, 100s of Training camps, Awareness programs, Advanced Skill Workshops for enabling and empowering the Small and Rural Business Entrepreneurs. The exposition not only supports Entrepreneurs showcase their products but also help them with marketing promotions and financial assistance through value adding schemes. ISRB Expo was launched in the year of 2013 under the brand name of Micro Enterprises Self Employment Expo and had successfully conducted 8 Editions of Expositions.

The First Exposition was inaugurated by Dr. K. Rosaiah, Former Governor of Tamil Nadu on 1st March 2013.