Correct option is B
· Prof. C.N.R. Rao is widely regarded as the Father of Indian Nanotechnology.
· His pioneering work in:
· Solid-state and materials chemistry
· Nanoscience, particularly carbon nanotubes and nanomaterials
· He played a key role in promoting nanoscience research and institutional development in India.
· He has authored hundreds of scientific papers and received India's highest honors including Bharat Ratna.