Film-maker Vivek Agnihotri is using the Coronavirus-induced lockdown to rediscover his love for painting.The director of 'The Tashkent Files' shared a video shot on Day 6 of what he is calling the '15-day challenge'. Agnihotri said that people should keep 'sharpening their saw', i.e, keep practicing their hobbies and passions. He also invited people to talk to him if they feel lonely. He cited his experience of being shut inside a garage for a week during the 1984 riots. The Covid-19 pandemic has led to many people working from home as governments impose restrictions on public activity to reduce risk of infection.