New Delhi, Oct. 19 -- A 12-point action plan as per Stage-II of the Graded Response Action Plan (GRAP) was imposed across Delhi-NCR on Sunday, imposing curbs to tackle air pollution in the region. Authorities also urged citizens to follow "specific steps" as listed in the Citizen Charter of Stage-II to mitigate.

Grap Stage 1 is already in effect. The decision to implement Grap Stage 2 was taken just ahead of Diwali, when the air quality in Delhi-NCR spiked to over 300 - under the 'very poor' category.

Don't know what GRAP Stage 2 is all about? What are the curbs imposed under this step, and what should the public do to help improve air quality or stop it from further deteriorating? Here's all you need to know:

GRAP is the Graded Respon...