The Union Home ministry is likely to constitute a core group on Kashmir and members of this core group would call on Prime Minister Manmohan Singh [Images] on Wednesday, sources said on Tuesday.

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The core group will comprise major political parties from Jammu and Kashmir [Images]. Parties that have nothing to do with Kashmir are likely to be kept out.

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However, the Prime Minister's Office refused to acknowledge the development. "I have no idea about the core group or any all-party meeting on Wednesday. The moment I get a confirmation, I would get back to you," said S Muthu Kumar, media in charge in the PMO in the absence of media advisor Dr Baru who resignation recently.

Leaders of the all-party delegation, who visited Jammu and Srinagar [Images] to find a solution to the Amarnath land row, had on Monday failed to arrive at a consensus to resolve the vexed issue and will meet again on Tuesday.