New Delhi, Nov 09 (ANI): Former Goa Chief Minister Manohar Parrikar took oath as Union Cabinet Minister on Sunday, however, speculations over his portfolio continued. Parrikar after taking the oath said that his portfolio will be officially declared in a couple of hours and no speculations should be made on the same. Goa Chief Minister Laxmikant Parsekar said he is confident that Parrikar will get the defence portfolio and that he will perform as the nation's defence minister.