Here is a List of few of mine preferred Hotel,

I like hotel in Delhi :

Wide range of 4* to 5* hotel in Aerocity area :

(Redfox, Ibis, Novotel, Lemon Tree, Marriott and few other),

Hyatt Regency Bhikaji kama place,

Leela Delhi,

Le Meridien, Windsor Place, Connaught Place,

Shangri La, Connaught Place,

Ramada Plaza, Connaught Place,

The Lalit, Barakhamba Road, Delhi

And Few in Gurgaon :

Leela, Gurgaon

Crown Plaza, Sector 29, Gurgaon

Taj Vivanta, Gurgaon

Lemon Tree, Gurgaon Sector 29

About Faridabad :

Taj Vivanta

And in Noida :

Raddison Blu, Sector 18