The National Investigation Agency (NIA) on July 22 got remand of four Inter-Services Intelligence (ISI)-backed Babbar Khalsa International (BKI) terrorists in Punjab, reports The Times of India. The four, identified as Ravinder Pal Singh, Jagdev Singh, Nishan Singh and Harcharan Singh, part of Amritsar module of BKI, were produced in the court of special NIA judge Nirbhow Singh Gill. NIA took custody of the four from Punjab Police. They will be on NIA remand till July 29.