Maharashtra Chief Minister Prithviraj Chavan today resigned as a member of the Rajya Sabha. He met Rajya Sabha Chairman Hamid Ansari in New Delhi this evening and handed over his resignation from the Upper House.Chavan was appointed as Chief Minister of Maharashtra in November last year after the then incumbent Ashok Chavan resigned in the wake of allegations against him in the Adarsh Housing Society scam.Prithviraj Chavan was elected unopposed to Maharashtra Legislative Council on April 27th, fulfilling the constitutional requirement of getting elected to the state legislature within six months of being sworn-in as Chief Minister.