BD NarayankarBengaluru, July 27 -- More than a decade after helping India answer the question "Who are you?" through Aadhaar, technology pioneer Nandan Nilekani has been entrusted with a new and equally fundamental governance challenge, ensuring that every student can trust the answer to "Can the system judge me fairly?"The Infosys co-founder and Aadhaar architect's appointment to head a high-powered task force on examination reforms marks an attempt to apply the principles of technology-led governance to one of India's most sensitive public systems - competitive examinations.

At the heart of the government's move is a larger question of trust. For millions of students appearing for NEET and other public examinations, a score is not merely...