Trade tensions between India and the United States intensified on Friday as New Delhi filed a complaint with the World Trade Organization over steep fee increases for U.S. non-immigrant temporary work visas. The WTO said in a statement that India has disputed the doubling of the fees for H-1B and L-1 work visas and limits on their numbers. The visas are typically used by thousands of Indian nationals hired by information technology services firms operating in the United States. The complaint comes just days after the United States won a WTO ruling in favor of its challenge to India's domestic...