The Union Cabinet is learnt to have given its nod on Tuesday to a bill that will replace the ordinance promulgated for the creation of an authority for transfers and postings of Group-A officers in Delhi, sources said. The legislation was approved by a meeting of the Union Cabinet chaired by Prime Minister Narendra Modi here this evening. The bill is expected to be tabled in the ongoing Monsoon session of Parliament to replace the ordinance, the sources said.