Congratulating the country for its monumental achievement Dr Margaret Chan Director-General World Health Organization said 'India has shown the world that there is no such thing as impossible. This is likely the greatest lesson and the greatest inspiration for the rest of the world.' Addressing the ‘India’s victory over polio’ event at New Delhi on 11 February 2014 Dr Chan said 'India’s leadership in polio eradication is widely appreciated and warmly welcomed. The country has shared its experiences best practices lessons learned and expert staff with the remaining endemic countries.' The event was attended by the President of India the Prime