Bihar Chief Minister Nitish Kumar has submitted his resignation to Governor Keshri Nath Tripathi .He resigned from his post, citing irreconcilable differences with ally RJD on the issue of corruption charges against his deputy Tejashwi Prasad Yadav. Bihar CM said said, present circumstances compelled him to resign from his post.Further Nitish said, he tried his best to lead the grand alliance government but political situation does not permit him to continue the govt.