Delhi offers a wide range of options to celebrate a birthday. Here are a few popular and exciting places to consider:

1. Hauz Khas Village: Known for its trendy cafes, restaurants, and bars, Hauz Khas Village is a vibrant neighborhood in Delhi. It offers a lively atmosphere with a mix of cuisines, live music, and artistic ambiance.
2. Connaught Place: Located in the heart of Delhi, Connaught Place is a popular shopping and entertainment hub. It has numerous restaurants, pubs, and lounges where you can celebrate your birthday while enjoying a variety of dining and entertainment options.
3. Kingdom of Dreams: This entertainment destination in Gurugram, near Delhi, offers a unique experience with its Broadway-style shows, cultural performances, and themed restaurants. It’s a great place to celebrate with family and friends.
4. Social: Social is a chain of trendy and lively cafes/restaurants located in various parts of Delhi. They offer a unique blend of food, drinks, music, and interactive spaces, making it a popular choice for birthday celebrations.
5. Adventure Parks: If you’re looking for an adventurous birthday celebration, you can visit amusement and adventure parks like Worlds of Wonder, Adventure Island, or Appu Ghar. These parks offer thrilling rides, water slides, and other attractions to make your day special.
6. Rooftop Restaurants: Delhi has several rooftop restaurants and lounges that provide a beautiful view of the city skyline. It’s a great option for an intimate and memorable birthday celebration.

Remember to check the ambiance, cuisine, and availability before making a final decision. Also, consider the preferences of the birthday person and the group you’ll be celebrating with.