Block 21 in Moti Nagar, Delhi, is a residential area characterized by a mix of apartment complexes and local markets. It features amenities such as parks, schools, and healthcare facilities, catering to the needs of its residents. The locality is well-connected via roads and public transportation, making it accessible to nearby commercial centers and other parts of Delhi. The presence of various shops, restaurants, and recreational spots adds to the vibrancy of the neighborhood, contributing to its appeal as a livable area in the city.