The party at the same time made it clear that it was not opposing the finalisation of the agreement as the "Indo-US nuclear deal was scripted by the UPA, which the BJP then opposed but finally adopted".
"Government must inform Parliament about the assurances on the commercial component of the agreement it reached, the financial liability clause and the compensation part. We do not have the fineprint of the assurances given as yet.
Sharma at the same time said that his party was not opposing the agreement as such as the Indo-US nuclear deal was UPA's baby.
India and the US reached an understanding on resolving the logjam in implementing the landmark civil nuclear deal on January 25, which was announced jointly by Prime Minister Narendra Modi and the US President Obama here.
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They reached the "breakthrough" on the stalled civil nuclear agreement by agreeing on commercial cooperation.
Some party functionaries speaking on the condition of anonymity said that Congress members will raise the issue in both Houses when the Budget session begins and will ask the government to inform Parliament of the assurances that have been given.
The Congress functionaries said that the issue can be raised during the debate on President's motion in the House on February 24 and 25.