Describing the passage of the stalled Goods and Services Tax Bill as a parameter to measure the maturity of India's political system, union finance minister Arun Jaitley today made a veiled attack on the Congress for "stalling the country's progress".For More information on this news visit : http://www.newsx.com/Connect with us on Social platform at : http://www.facebook.com/newsxonlineSubscribe to our YouTube Channel : http://www.youtube.com/newsxlive