The agency has found fresh evidence in the 39-years old riots case making it necessary to have the voice sample of Tytler, they said.
Soni has said a decision will be taken once copies of the judgement are made available.
Stalin still enjoys a lot of sympathy and empathy as someone wishing well for the state, but not full-throated support as in 2019 and 2021, notes N Sathiya Moorthy.
The BJP has sought the disqualification of Soren as an MLA accusing him of allocating a mining lease to himself while he held the state Mining portfolio in 2021.
Ahead of the Lok Sabha polls, 11 parties on Tuesday got together with a vow to defeat Congress-led United Progressive Alliances and prevent the Bharatiya Janata Party from coming to power by presenting themselves as an alternative to them.