Shiv Sena (Uddhav Balasaheb Thackeray) leaders Aaditya Thackeray and Sanjay Raut on Monday opposed before the Delhi High Court a defamation plea filed against them by Maharastra MP Rahul Ramesh Shewale for allegedly levelling frivolous corruption charges against him and the Eknath Shinde-led Shiv Sena faction.