She also said that black money stashed in some countries should be brought back to India.
The mega rally led to massive traffic jams in the city.
Riding high on the party's back-to-back massive victories in the recent panchayat and municipal elections, she, however, cautioned party workers against being complacent and overconfident.
Giving a call for "Delhi chalo", she said, "We have to target all 42 seats in West Bengal.
"We want to win all the 42 seats in Bengal. But that will not be by coercion, but by love and making people understand that CPI(M) has not done anything for them in 35 years," she said.
Elated over the impressive turnout, she said it proved that Bengal would once again lead the country and refered to freedom fighter Gopal Krishna Gokhale's famous quotes, "What Bengal thinks today, India thinks tomorrow".