New Delhi/kolkata, Jan. 5 -- The ongoing special intensive revision (SIR) of electoral rolls in West Bengal is being conducted in a "deeply flawed, arbitrary and unconstitutional" manner that could disenfranchise large sections of genuine voters ahead of future elections, chief minister Mamata Banerjee has told chief election commissioner (CEC) Gyanesh Kumar. In a four-page letter written to CEC Kumar on January 3, Banerjee accused the Election Commission of India (ECI) of presiding over an exercise marked by confusion, procedural violations and administrative high-handedness, and warned that the process, if allowed to continue in its present form, would strike at the "very foundation of democratic governance". The CM said she was "constrai...