Here are the top 10 points in this big story:
The government advised citizens above 65 to stay at home unless they are public representatives or doctors or government employees. People have been advised to keep children below 10 at home.
Railways and airlines have been asked to suspend all concessional travel except for students, patients and persons with disabilities.
States have been asked to enforce work from home for the private sector, except for emergency and essential services.
A fourth death from coronavirus, that of a 70-year-old man who had travelled to Germany, was reported from Punjab on Thursday. The other deaths were reported from Delhi, Karnataka and Maharashtra.
Punjab became the first state to announce the suspension of public transport services from Friday midnight, besides restricting public gatherings to less than 20.
The centre has asked 50 per cent of its employees to work from home besides staggering working hours for its staff.
India remains at Stage 2 of the outbreak, which means the spread is through local transmission, which can be traced. The health ministry said there is no evidence of community transmission yet, in which it is hard to tell how the patient contracted the virus.
Across the country, schools, colleges, theatres, malls and shopping areas have been shut down in large parts. Religious gatherings and weddings have been put off.
Delhi has banned the gathering of more than 20 people at a time. In cities like Gurgaon and Mumbai, gatherings of more than 50 have been banned.
The coronavirus cases in India include 25 foreign nationals -- 17 from Italy, three from the Philippines, two from the UK, one each from Canada, Indonesia and Singapore.