Section 188 of the Indian Penal Code (IPC) empowers police to arrest anyone who violates an order promulgated by a public servant. The violator can be punished with imprisonment of up to six months, or with fine which may extend to one thousand rupees, or with both. As of Monday, Maharashtra, Punjab and Puducherry governments announced statewide lockdown.

from Times of India https://timesofindia.indiatimes.com/india/coronavirus-can-police-arrest-you-for-violating-lockdown/articleshow/74778051.cms