India's gains- and pains - from the T20 series against England?

Have India found a new opening combination for T20 World Cup in captain Kohli and 'Hitman' Sharma? Has Bhuvneshwar Kumar proven his worth? Who is a better finisher: Shreyas or Hardik? And is the spin department a cause for concern? While reviewing the series win against England, we also take a look at the relevance, or the lack of it, of the forthcoming ODI series.