Kolkata: Supporting the controversial India-U.S. nuclear deal, R. Chidambaram, chairman of the Union Cabinet's Scientific Advisory Committee, said here on Monday that the deal, if operationalised, will secure uranium supply for the country's reactors as well as facilitate technological collaboration with countries having nuclear know-how. He was speaking to newspersons after delivering the Raja Ramanna Memorial lecture at the Variable Energy Cyclotron Centre here.