Following in the footsteps of party legislators and 40 corporators of Pimpri Chinchwad Municipal Corporation (PCMC) who resigned on Monday, 13 NCP corporators of Pune Municipal Corporation (PMC) on Tuesday offered to resign to put pressure on the state government to legalise illegal constructions in the areas under the civic body..The corporators submitted their resignations to party leader Subhash Jagtap instead of submitting it to the municipal commissioner..