New Delhi has conveyed its serious concerns to Washington over the US military aid to Pakistan being misused against India and asked America to establish a monitoring mechanism to ensure that this does not happen. During his meeting with the US Joint Chief of Staff Committee Chairman Admiral Mike Mullen in New Delhi on Friday, Defence Minister A K Antony also expressed his apprehensions that American arms aid was disproportionate to the war on terror for which it is meant. Quoting Defence Ministry sources, AIR correspondent reports that. Antony told the visiting dignitary that the US should ensure that aid was used only for the purpose it is meant.