which are most populor and good eateries in delhi just like karim's for kebabs?

Answer 1

Deez for Biryani - particulary for Handi Biryani
Moti Mahal for Indian and Mughlai
Punjabi by Nature (Noida) for Indian veg and no-veg
Sagar for South Indian Food
Baan Thai (Oberoi Golf Links) for Thai food
Osaka for Chinese
Haldiram's (Mathura Road) for chaats and Misc. Foods
Delhi Durbar (C P) for Mughlai and Indian
Colonel Kababs at Def Col.

Many times more than what I wrote above are still there. Many more in the areas of West, Central, North and East Delhi!!!!