Foreign Office has categorically rejected the allegations recently levelled by India and few western powers regarding the nuclear and missile program of Pakistan, report said on Thursday. Pakistan is a responsible country committed to the nonproliferation of the nuclear arsenal, FO spokesman Abdul Basit told the newsmen in the weekly briefing here. Pakistan will not compromise on national security and deterrence, he added. He termed the allegations of committing nuclear proliferation against Dr Abdul Qadeer Khan 'baseless.