In a significant organisational reshuffle ahead of the assembly polls, the Congress on Friday appointed Tariq Hameed Karra as president of its Jammu and Kashmir unit and Keshav Mahto Kamlesh as chief of the Jharkhand Pradesh Congress Committee. While Karra replaces Vikar Rasool Wani in Jammu and Kashmir, Kamlesh takes over from Rajesh Thakur. Congress president Mallikarjun Kharge also appointed two working presidents for Jammu and Kashmir -- Tara Chand and Raman Bhalla -- as the party gets battle ready for assembly polls in the Union Territory, the dates of which were announced by the Election Commission on Friday. Kharge has also appointed Wani as a special invitee to the Congress Working Committee (CWC) with immediate effect. Karra has been relieved from his current position as permanent invitee to the CWC, the party said in a statement. "The party appreciates the contributions of the outgoing Pradesh Congress Committee president Vikar Rasool Wani," the statement said. In Jharkh