Even as the UPA was patting itself in the back today over the broad consensus forged over Pranab Mukherjee resulting in his thumping win, the Samajwadi Party dealt the government a blow over FDI in retail. In a letter sent jointly with the Left parties to Prime Minister Manmohan Singh, SP chief Mulayam Singh Yadav demanded that the UPA not proceed “any further” on bringing FDI in multi-brand retail.