As first reported by us in October when battle lines were first being drawn, Desai & Diwanji is continuing to represent ousted Tata Sons chairman Cyrus Mistry, who has now, via his company Cyrus Investments, filed in the National Company Law Tribunal (NCLT) against Tata Sons, with Cyril Amarchand Mangaldas also having been roped in to advise the Tatas.