लगी हुई है

is engaged in; is underway

→ लगना
phrase Rare #8,036
is engaged in; is underway The exact meaning depends on context. It can describe someone busy with an activity or something that is in progress or in place.
HI: वह खाना बनाने में लगी हुई है।
EN: She is busy cooking.

नीचे तो लाइन लगी हुई है।

There’s already a line down there.

— Ramprasad Ki Tehrvi (2021)

जंगल में आग लगी हुई है।

The forest is on fire.

— Roma (2018)

यहाँ आया तो देखा रेस लगी हुई है।

When I got here, I saw that a race was underway.

— 3 ईडियट (2009)