The retest is being held from 3 pm to 6:30 pm after repeated outages disrupted the exam at ION Digital Zone, Sitapura, with one candidate reporting 13 power cuts in 90 minutes.
Around 20 lakh appear for June 21 re-exam, down 9% from May 3; experts cite paper leak trauma and loss of trust, while NTA points to alternative career choices and practical reasons.