Kerala had an eventful 2020 when it reported the country's first Covid-19 case, witnessed a fatal air crash and saw a top bureaucrat being jailed in the sensational gold smuggling case, with the opposition charging the buck stopped at the CMO.After 28 years and several twists and turns, curtains came down on Sister Abhaya's death, when a CBI court held she had been murdered by a priest and a nun to keep under wraps their illicit relationship and sentenced them to life terms.The country's worst fears came true in January when a Kerala student tested positive for the dreaded coronavirus, upon her return from Wuhan, the sprawling capital of China's Hubei province from where the contagion first emerged.Two other students from the Chinese city.