Kolkata, Apr. 20: In a move to could indicate future Trinamool Congress alliance with Congress, party chief Mamata Banerjee and Congress leader Pranab Mukherjee and Trinamool Congress have shared a platform for the first time.

Addressing an election rally Dinajpur region of West Bengal, both the leaders harshly criticized ruling left parties.

The whole country is laughing at the Communists and their dream of forming a government. CPM in the last 32 years of its rule has brought down the state to the twelfth position. Now it would be difficult for the people to trust them and they themselves will not prefer to vote for them for taking up country''s responsibility," Mukherjee said.

Banerjee hit out at the Communist Party of India-Marxist for failing to bring about development in the West Bengal.

"Ask the CPM leader and the Chief Minister of West Bengal Buddhadeb Bhattacharjee. It has been 32 years and still CPM has not solved the problems prevailing in Darjeeling. Instead, it has surrendered to the BJP leaving the issue of Darjeeling in that party''s hands," Banerjee said.

Polling in West Bengal will be held in three stages on April 30, May 7 and May 13 as a part of the five-phased elections that commenced on April 16 to elect a new federal government.

As a part of their alliance, the Congress party and the Trinamool Congress will share the seats in the 42 Lok Sabha constituencies in West Bengal.

The Trinamool will contest for 27 seats leaving the rest for the Congress party. (ANI)