Addressing an election meeting here, Singh alleged a concerted effort was on to create disturbance in the country to discredit the "good governance" of BJP-led NDA government.
"But we will not tolerate this," he said.
Singh said Prime Minister Narendra Modi was spreading the message of peace across the globe as he propagated development in every corner of the country.
Urging the people to vote for BJP in the coming Assembly election to bring development in the state, he alleged that no development has taken place in West Bengal in the past 39 years.
He added BJP was a party that believed in the ideology of Netaji Subhas Chandra Bose.