With COVID-19 spreading in India, GoI has ruled curfew in some areas, Section-144 in some other areas and lock down in many other areas. These measures are being done to contain the spread of the virus.
The action is called Lock Down when there are restrictions on assembly. However, essential services are available in these situations. The Lock Down shall be enforced by a collector or the chief medical officer. The chief Medical Officer shall enforce Lock Down according to Epidemic Diseases Act, 1897. With Lock Down being imposed five or more people are not allowed to assemble.
During Lock Down, the police has rights to arrest person and book him under Section 271 when he tries to escape from quarantine.
The action is called Section 144, when the assembly of people are prohibited abiding to Indian Penal Code. Under Section 144, more than 5 people are not allowed to assemble.
The action is called Curfew when Section 144 is imposed along with the shutdown of essential services. The Curfew powers lies with Collector and Police Commissioner.