"I wonder how this uranium discovery will affect the world uranium markets?"

David Fuller's view This is good news for India, where I suspect there will be many more important mineral discoveries over the next two decades. Otherwise, I think it will have a negligible affect on the world uranium market. Uranium exists in all countries but is seldom found in commercial quantities. It takes years to develop a greenfield mining site, including all the issues of safety, infrastructure, transport and refining.

Here is another article with additional information on India's rapidly expanding nuclear power programme.