New Delhi, Oct 13 (ANI): Political leaders on Monday said that Pakistan is 'playing its same old game'after Nawaz Sharif's foreign affairs adviser Sartaj Aziz wrote to United Nations asking to intervene in Kashmir issue. BJP said that Pakistan is doing what it has been doing on facing a defeat and that is, to internationalize the issue. Party leader Mukhtar Abbas Naqvi said that Indian government will continue to retaliate if Pakistan does not budge from its activities on international border. Meanwhile, Congress and CPI leaders also condemned the letter and said that Pakistan should check on its activities before blaming India. Addressing a letter to UN secretary general Ban Ki-moon, Aziz Aziz said UN had an important role in the peaceful resolution of the "core" issue of JandK and that UNMOGIP, described by India as a tool of a bygone era, needed to be strengthened under the circumstances.