India and Pakistan swapped atomic installations and facilities list at Islamabad Foreign Office under the accord inked on January 27, 1991, between both the countries, Dunya News reported today.Indian High Commissioner was invited in the foreign office in this regard.Since 1991, both the countries have been exchanging the said lists despite strained ties.Pakistan and India held talks in 1988 and reached a unanimous agreement on January 27, 1991, according to which both the countries decided not to attack each others atomic facilities.A list of captives has also been exchanged on the occasion.