Kolkata, Jan. 13 -- Digitisation of the 2002 SIR database using AI tools has resulted in large-scale mismatches, with several genuine voters categorised as "logical discrepancies", West Bengal chief minister Mamata Banerjee told Chief Election Commissioner (CEC) Gyanesh Kumar in a letter on Monday. "In the absence of any digitised database of the last SIR, the manual voters list of 2002 - including those published in vernacular scripts - was scanned and translated into English using AI tools for digitisation. During this transliteration, serious errors occurred in the electors' particulars. These errors have resulted in large-scale data mismatches, leading to many genuine voters being categorised as logical discrepancies," Banerjee wrote in her letter to the CEC. The ruling Trinamool Congress in West Bengal had earlier attacked the poll panel over the large number of voters with logical discrepancies in the state. On January 10, Banerjee had written to the CEC after the poll panel sent a hearing notice to Nobel laureate Amartya Sen ....