Election Commission sources confirmed that Mitra, who is presently lodged in Alipore jail in the multi-crore Saradha chitfund scam, will not be allowed to exercise his franchise.
"All prisoners whether undertrial or convicted do not have voting rights. Mitra is no exception to this rule," sources told PTI.
The Representation of the People's Act, 1951, says, "No person shall vote at any election if he is confined in a prison whether under a sentence of imprisonment or transportation or otherwise or is in the lawful custody of the police".
This is the first time that a high-profile candidate is fighting elections in West Bengal from jail.
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Arrested by the CBI in December 2014, the former state Transport and Sports minister is contesting polls from his constituency of Kamarhati on the outskirts of the city. His name figures in the electoral roll from booth number 14 in Dakshineswar.
Mitra's family members said he is disappointed with the fact that he was unable to present in his constituency during the crucial time of Assembly elections.
Chief Minister Mamata Banerjee, who went to campaign in his constituency, extended support to him and alleged that his former cabinet colleague has been a victim of conspiracy by the Centre. He is pitted against CPI-M's Manash Mukherjee and BJP's Krishanu Mitra.
Madan's name had also figured in the Narada sting operation where he was purportedly shown taking money from a person representing a fictitious company.