Block 20 B is an neighbourhood in Dev Nagar, Karol Bagh, Delhi Central, New Delhi, India. Karol Bagh (0.0 Km), Paharganj (2.48 Km), Rajendra Place (2.52 Km), Rajinder Nagar (2.65 Km), New Rajinder Nagar (3.14 Km) are the nearby areas to Block 20 B. New Delhi are the nearby cities to Block 20 B.