"India should continue building indigenous capability and strength in the field of nuclear energy and other peaceful applications more vigorously and cannot relax as whatever is talked about in the deal will unfold during the next few years," Banerjee told PTI.

"The plan is an evolutionary process and and it is not clear at this moment whether we will get any imported power plants. Even if we get them, it is only an 'additionality.'

"Therefore, it is all the more important for Indian scientists and technologists to work vigorously on new technologies for fast breeder and future thorium reactors and in fact multiply our efforts in research and development," he said.

For future growth, India also required to enhance its growth in accelerator development and on hydrogen economy and all these need development of science of cryogenics, he said.