New Delhi, July 18 -- Two major artificial intelligence companies have launched aggressive campaigns to capture India's booming AI market, offering premium subscriptions worth nearly Rs.20,000 annually to millions of potential users for free. Google has announced a year-long free AI Pro subscription for Indian university students, while Perplexity has partnered with telecom giant Bharti Airtel to provide its Pro plan, also for a year, at no cost to the company's 360 million customers across mobile, broadband and direct-to-home services. The competing offers, announced within days of each other, represent a high-stakes gamble to establish market dominance in what Boston Consulting Group projects will be a $17 billion Indian AI economy by 202...