New Delhi: Union Finance Minister, Shri Pranab Mukherjee has said that the techniques of improving quality, reliability and productivity can be applied to clean up administration, improve reliability of public services and increase agricultural productivity. He said that Indian Statistical Institute (ISI) can play a lead role in these areas that can bring about a positive change for the nation at large. Shri Mukherjee was speaking at the inaugural function of the International Congress on International Congress on Productivity, Quality, Reliability, Optimisation and Modelling-ICPQROM-2011 organized by the ISI along with the other two premier organisations Quality Council of India and Defence Research and Development Organisation (DRDO), here today. The International Congress was inaugurated by the Prime Minister of India.