The discovery of gravitational waves is being heralded as the find of the century. The work was spearheaded by the California Institute of Technology or Caltech in the US. Astrophysicist, Prof. Shrinivas R. Kulkarni from Caltech told NDTV's Science Editor Pallava Bagla that the Indian contribution to the discovery deserves a Nobel Prize. He also requested PM Narendra Modi to house the third detector in India. (Video Courtesy: LIGO)