'Applying Thought' was the corporate tagline/slogan of Wipro, an Indian multinational corporation. The company used this slogan extensively in its branding and marketing campaigns for many years. The other options (TCS, CTS, Infosys) are all major Indian IT companies but had different taglines - TCS used 'Experience Certainty' and Infosys used 'Powered by Intellect, Driven by Values'.