Which technology giant has agreed to provide Wi-Fi hotspots at 500 railway stations in India?

Google CEO Sundar Pichai announced a proposal for introduction of broadband connectivity, through Wi-Fi hotspots, at 100 railway stations. He said it will be expanded to 400 next year. The search engine giant also announced the rollout of ten-language vernacular typing for Android users. The announcement was made when Prime Minister Narendra Modi took a tour of the Google headquarters with CEO Pichai.