[CAPTION]Tata Motors’ market share in the domestic commercial vehicle segment has slipped to 32.5 percent from 44 percent in 2015 Image: Photo by Stefano Guidi/Getty Images[/CAPTION] Across both its passenger vehicles and electric vehicle (EV) segments, where the automaker had once been making rapid strides, it had been increasingly facing serious challenges from homegrown automakers, hurting the company hard. It once held an 80 percent market share of the domestic EV market, which has slip...