Amid a surge in new cases, the government of West Bengal state has begun implementing a strict lockdown in areas with high infection rates.
All offices in these areas will be shut, transportation has been halted, and no marketing, industrial or trading activities will be allowed.
The whole state, which borders Bangladesh, has a population of 90 million.
The new restrictions, which came into effect this morning, will be in place for a week to start with.
With 24,823 cases, West Bengal is now one of India's worst-affected states. It reported more than 800 new infections on Tuesday alone.