NEW DELHI, April 25 -- As the second wave of the Covid-19 outbreak in India continues to touch new highs, in terms of daily cases, the positivity rate - the proportion of cases returning positive for Covid-19 - is still rising in every major state in the country despite testing record levels, according to an HT analysis. This suggests that this wave is yet to peak and that daily cases may continue to grow -- at least in the near future....