₹600 crore this year due to the pandemic, Sikkim Tourism Development Corporation (STDC) chairman Lukendra Rasaily said.Sikkim was untouched by the pandemic for a long time before coronavirus struck the border state in the last week of May when a student, who returned from Delhi, tested positive.Two months later, the state reported its first COVID- 19 fatality when a 74-year-old man from East Sikkim district succumbed to the disease.The virus then spread to all the four districts, including the sparsely-populated North Sikkim, with around 0.8% of the total population found positive.In all, Sikkim has registered over 5,600 COVID-19 cases so far and more than 120 fatalities."The COVID-19 pandemic has had a debilitating impact on the tourism.