1. Arguments heard.
2. Judgment reserved.
3. In the meantime, the Investigating Officer shall file the transcript of the disputed conversation in a sealed cover. We further direct that the Director, Central Forsensic Science Laboratory (CFSL) shall file in a sealed cover proposed passage of a written text, which the petitioners herein shall be required to read out, for purposes of giving their voice samples using words but not the sentences appearing in the disputed conversation in such number as the Director/Scientific Officer may consider necessary for purposes of comparison.
4. Needful be done within four weeks.