Block C4 is a residential pocket in Sultanpuri, an affordable and densely populated locality in North West Delhi (pincode 110086). Similar to other Sultanpuri blocks (like C8, C9), it features mostly independent houses, builder floors, small plots, and older constructions typical of outer Delhi resettlement or regularized unauthorized colonies from the 1980s–1990s. The area has narrow to medium lanes, local shops, small temples/markets, and basic civic amenities (MCD water/electricity, though often irregular). It's a working-class to lower-middle-class neighborhood with high density.