A day after Catatstrophe hit South Kolkata when the Majerhat bridge collapsed killing one and injuring 25 others. The police have now filed a Suo Moto case against unknown persons. NewsX has accessed shocking document of the PWD of the Bengal govt. The PWD issued tender for repari work of the bridge in April, but the work was executed. Meanwhile, several are still feared buried under the debris and rescue operations are on. The NDRF, army and police teams are deployed at the accident spot. Chief Minister Mamta Banerjee on the other hand was spotted at a cultural event for teacher's day celebrations. Even as scores continue to remain missing following the tragedy.