In July 2019, after Vodafone Idea posted a loss of Rs.48 billion, the stock plunged, but what surprised many was that Grasim Industries also nosedived, as sentiment around Aditya Birla Group companies turned sour. As investors hope for revival in Vodafone Idea’s fortunes after the rise in tariffs, Grasim, which holds 11.6% in Vodafone Idea has also seen some respite.