British Prime Minister David Cameron today said visa restrictions would be eased for Indians to promote tourism industry. Calling for a focus on tourism, Cameron said the industry, which contributed 115 billion pounds to the national economy annually, was fundamental to the rebuilding of economy given its potential to generate jobs and revenue.One of the ways to boost tourism in the coming yearswill be to ease the process of issuing visitors visas to people from India and China.Recently there is considerably surge in cash-rich Indian visitors shopping in London's plush West End.