Parties in Tamil Nadu, especially the DMK, which snapped its alliance with the UPA last year, have attacked the prime minister on his plans to meet Rajapaksa.
They said it would be construded as a betrayal of Tamil interests.
They want India itself to move the resolution in the UNHRC seeking punishment for those responsible for the alleged war crimes in Sri Lanka The resolution welcomed Pillay's recommendation on the need for an independent and credible international investigation in the absence of a credible national process with tangible results.