J Khanna: The polling officer will certainly know... ... Plea For 100% EVM-VVPAT Verification : Live Updates From Supreme Court Hearing [Day 2]

J Khanna: The polling officer will certainly know when a person goes inside booth but does not vote (beep does not come)

Official: Yes, that is accounted for in 17C

J Khanna: 17A or 17C? please check