Samajwadi Party and Congress on Wednesday stepped up their efforts for an early conclusion of their pact on the nuclear deal, with Prime Minister Manmohan Singh swiftly complying with SP's demand for a public statement to allay the apprehensions on the controversial India-US agreement. The demand for a public statement was voiced by SP leaders Amar Singh and Ramgopal Yadav soon after an anxious government sent the national security adviser, M K Narayanan, to brief them on the deal. The PMO's statement and the NSA's briefing are part of the script to make SP's change of stance on the India-US pact sound credible and informed rather than based on political expediency. On Thursday, SP is expected to take these clarifications issued by the establishment to the UNPA leaders who are meeting here to discuss SP's pitch for a fresh look at the deal. The demand comes after the Left has threatened to withdraw support to UPA in the face of PM's insistence on moving forward on the paused agreement, forcing the government to seek support from SP. Survival instinct holds UNPA together State Compulsions Given Precedence As Constituents Try To