Effective intervention of the National Human Rights Commission (NHRC) had brought down the number of unjustified fatal police shootings, so called encounter killings, in the country, its chairperson K.G. Balakrishnan said here on Friday. The former Chief Justice of India was speaking to journalists at the conclusion of a three-day sitting and open hearing of the Commission. He said the Commission’s next sitting in A. P. this month-end would dwell on the circumstances that led to killing of 5 prisoners in Nalgonda and 20 suspected illegal sandalwood cutters in Tirupati.