India is in the midst of the second wave of the Covid pandemic as cases have been shooting up in several parts of the country. So where did India go wrong in its battle against Coronavirus? Are the new variants of the virus responsible for the sudden surge? Are mass gatherings to blame for the spike? And what more can authorities do to ensure that the spread of the pandemic is curbed? Hindustan Times’ editor-in-chief Sukumar Ranganathan explains all these issues in the latest edition of HT Insight.