Step 1: Understanding the background of Infosys founders.
Before starting Infosys, Narayan Murthy and Nandan Nilekani worked with CMC (Computer Maintenance Corporation), a government-owned company. This experience helped them in setting up their own IT firm, Infosys.
Step 2: Analyzing the options.
- (a) CMC: Correct, as both Narayan Murthy and Nandan Nilekani worked at CMC before founding Infosys.
- (b) Patni Computer: Incorrect, as they were not associated with Patni Computer before Infosys.
- (c) Tata Consultancy: Incorrect, as they were not associated with Tata Consultancy before Infosys.
- (d) None of these: Incorrect, as the correct answer is (a).
Step 3: Conclusion.
The correct answer is (a), as Narayan Murthy and Nandan Nilekani worked at CMC before founding Infosys.