A CPI(M) delegation including party general secretary Sitaram Yechury and politburo member Hannan Mollah met the Chief Election Commissioner on May 18.
Banerjee said those who used to support the Left Front during their rule in the state, have changed sides to join hands with the BJP in West Bengal.
In the first phase of elections on April 11, there were sporadic incidents of violence and rigging in some polling booths
The CPI(M) general secretary further said the ruling party's manifesto was a "fresh set of jumlas" which have been "unleashed" upon India.
CPI(M) Politbureau member Nilotpal Basu in a letter to Chief Election Commissioner Sunil Arora has listed a slew of complaints against the BJP over what it termed were violations of the model code of conduct by the leaders of the saffron party.
The Left leader also said that while there was no scope of negotiations left in Bengal, the Congress going separately would help create a "momentum" for the Left Front.
The CPI-M veteran said the last five years of the BJP government has been a "complete disaster" for the country and the people. "The very future of the secular democratic republic as enshrined in our Constitution is at stake under the Modi government".
A number of surveys have predicted an overwhelming lead for the Congress-led UDF in Kerala. However, the CPI(M)-led LDF is hoping to bridge that gap in what might turn out to be a triangular contest between the LDF, the UDF and the BJP in a few seats.
West Bengal becomes a new addition to the list of states where the Congress failed to clinch a seat-sharing deal to take on the BJP.
This comes hours after state Congress president Somen Mitra and chairman of the state coordination committee Pradip Bhattacharya met Gandhi in New Delhi and discussed the issue, among other matters.
The pact was confirmed following talks between Dravida Munnetra Kazhagam president M K Stalin and Communist Party of India (Marxist) state secretary K Balakrishnan at the DMK headquarters here, a party release said.
The state Congress leadership, however, said it is ready to fight the polls alone if the Left Front does not leave for it the two parliamentary seats -- Raiganj and Murshidabad, which are Congress strongholds.
"Jammu and Kashmir is without an elected government for the past nine months and in the absence of an elected government, uncertainty in the state is deepening day-by-day and dissatisfaction among large section of people is increasing," Tarigami said.
The Left Front and the Congress have stumbled upon a seat-sharing roadblock as neither side are willing to give up stake on three Lok Sabha seats -- Murshidabad, Purulia and Raigunj.
"The CPI, CPI(M), JMM (Jharkhand Mukti Morcha) and Congress are talking to each other to form an allaince to take on both the BJD and the BJP," he told reporters here.
They said the parties have already been holding informal parleys, but formal talks are likely to begin after the Feburary 3 rally of the CPI(M)-led Left Front at the Brigade Parade grounds here.
Yechury's remarks come in the backdrop of a news report which claimed that the NDA's decision to buy 36 aircraft instead of the 126 asked for by the Indian Air Force pushed the price of each jet up by 41.42 per cent compared to what the previous UPA government had negotiated.
While CPI(M) asked Modi to read the Constitution, which he is sworn to uphold, rather than the Manusmriti or RSS oath, Congress state chief Mullappally Ramachandran said the Prime Minister's speech was a reflection of BJP's decision to use Sabarimala as a 'political opportunity.'
The Communist Party of India (Marxist) politburo, in a statement, said it was concerned over the "haste" in which it was being done.
"No other govt in independent India has tried to kill institutions the way (the) Modi govt has, because it is scared of its massive corruption, cronyism and illegalities at the very top being caught out," tweeted CPI(M) general secretary Sitaram Yechury.
Party sources said a final call on the issue would be taken by AICC president Rahul Gandhi.
In a statement, the party's Politburo said that it was contrary to Supreme Court judgements.
Reacting to media reports that a parliamentary panel has objected to diversion of clean energy funds to compensate states for the GST, Yechury alleged that the economy of the country has been destroyed by Prime Minster Narendra Modi and his associates.
Expressing concern over media reports on the country's rural distress, Yechury in a tweet said farmers are earning less than what they were before.
Sixty three year-old Razak, who represented Manjeshwaram constituency in the House, died of a heart attack at a private hospital in Kasaragod on October 20.