There are many places but I just want to say dolma aunty is overrated
Dolma aunty, Lajpat Nagar are by far the best I have had.
Hunger strike and momos addiction
Try live Tandoor they are better than Dolma aunty
Uttarakhand food stall ,
Dilli haat, INA
There are many many places for yummy momos.. recently i have tried fried momos from amrik sukhdev.. do try that. Its totally yummy
There are so many outlets