There are several points from where India can begin the forensics of a momentous home Test series defeat to New Zealand. But more instantly, they will confront their superior tormentor – batting against spin – again on a red-soil strip at the Wankhede Stadium. Even the impulsively optimistic fan will have reservations about this riposte from the shaken hosts. Without overreacting, as Rohit Sharma would want, the faithful will believe the team management has tacitly begun to examine the feet of their premier right-hand batters against spin, particularly the left-arm clan. Captain Rohit and his predecessor, Virat Kohli, have endured similar career graphs against left-arm orthodox spinners, embedding crests and troughs of identical amplitudes. The tribe hardly ruffled Kohli and Rohit in the pre-World Test Championship era. However, the capricious downfall since 2020 has regressed their effectiveness on turners and even moderately placid home pitches across three WTC cycles in the last four years. Whatever bug hit the duo before the post-COVID red-ball return caught up with the other Indian batters too, including the younger crop. Overall …