J Khanna: each unit is also separately sealed and... ... Plea For 100% VVPAT Verification Of EVM Votes : Live Updates From Supreme Court

J Khanna: each unit is also separately sealed and then stored. Is there a possibility to ascertain later whether the controlling unit was attached to the other units?

ECI: by serial number

J Khanna: but not possible electronically. Is there any port attached? How is software uploaded?