Six-time CPI(M) MLA and former Rajya Sabha Vice-Chairman Mostafa Bin Quasem has committed suicide by leaping to death from the fourth floor of the MLA hostel in Kolkata on Sunday. Police said, a suicide note found on the 70-year-old MLA's body said he was taking the extreme step due to acute depression and a number of other ailments including kidney-related problems for some time. West Bengal Chief Minister Mamata Banerjee and Industry and Commerce Minister Partha Chatterjee visited the hostel and the hospital where the body has been kept. Ms. Banerjee said, instructed authorities to hand over the body to the family after postmortem and other formalities on Monday. Quasem was first elected to the West Bengal Assembly in 1977 from Baduria and Swarupnagar in the period between 1991-2006. He was recently elected from Basirhat North. The CPI-M leader, who was a MP of the Upper House from 1984 to 1990, was the Rajya Sabha Vice-Chairman from 1987 to 1988. Quasem was among the MLAs who had arrived in Kolkata for the election of the West Bengal Assembly Speaker.