India and Pakistan on Sunday exchanged lists of their nuclear installations and facilities under a two-decade-old pact prohibiting attacks on atomic assets, days after senior officials of the two sides held talks here on nuclear and conventional confidence-building measures (CBMs). The governments of the two countries are required to exchange lists of their nuclear installations and facilities on January 1 every year under the terms of the “Agreement on Prohibition of Attacks against Nuclear Installations and Facilities” that was signed in December 1988.