Delhi's Winter Pollution Action Plan from Nov 1 to Feb 28 mandates 50% staff work from home, staggered office hours, doubled parking fees at sites, and bans non-BS-VI out-of-state vehicles between Nov 1 and Jan 31. Construction faces phased curbs with a total halt Dec 10 to Jan 20, while Dust Portal 2.0 and stricter PUCC fuel checks Oct 1 will enforce compliance; essentials are exempt.