New Delhi: The Maharashtra Governor behaved in an "unprecedented and reprehensible manner" by inviting Devendra Fadnavis of the BJP and Ajit Pawar of the NCP to take oath in last week's surprise event, Congress president Sonia Gandhi said today.Her attack comes hours before Uddhav Thackeray takes oath as a Shiv Sena-NCP-Congress chief minister combines in Maharashtra. There is no doubt that the Governor Bhagat Singh Koshyari acted under the Prime Minister's and Home Minister's instructions. "Because of their own arrogance and over-confidence, the BJP's pre-poll coalition did not hold, "Mrs. Gandhi said at a meeting of Congress MPs in Parliament House.