The mobile web giants – Google, Apple and Facebook – may reign supreme over the user experience in the western markets, but they have had far tougher challenges in the countries which are now the world’s two largest mobile user bases, China and India. Google has mounted its latest attempt to assert itself in emerging markets, with a particular focus on India, but with the regulator, TRAI, reaffirming its commitment to the tough net neutrality rules which wrongfooted Facebook Basics, will it have better fortune this time? In China, Google has been thwarted by restrictions on operating its services there, and by the strength of the homegrown operators and handset makers. Android has considerable market share, but the local MNOs…