"We decided to work together in and outside Parliament. The people of Jharkhand are fully behind Mamata Banerjee," Marandi, who met the West Bengal Chief Minister told reporters here.
Stating that the entire country was protesting against the 'anti-people policies' of the UPA government, he said, "none had the guts to withdraw support to the UPA government like Mamata Banerjee."
Trinamool Congress All-India general secretary Mukul Roy said that the two parties decided to have floor coordination in parliament.
The JVM(P) which has two MPs in the Lok Sabha withdrew support to the UPA government recently against FDI entry in multi-brand retail, cap on subsidised LPG cylinders and diesel price hike.