Samajwadi Party workers attempt to stop trains on the tracks in Allahabad on September 20, 2012. Opposition parties and trade unions called for shopkeepers, traders and labourers in India to block railway lines and close markets to protest against reforms, designed by Prime Minister Manmohan Singh, to revive India’s slowing economy allowing in foreign retail giants such as Walmart and Tesco. AFP PHOTO/ STR (Photo credit should read STRDEL/AFP/GettyImages)