Over 20,000 people search for the Delhi Metro Map every day. They are usually led to this page which doesn’t really have a very detailed / user friendly map.
The Delhi Metro has expanded by leaps and bounds over the last 16 years since it was launched in 2002 and about 100 crore people ride it every year.
Here is a beautiful delhi metro map by Paris based Architect Jug Cerovic – His firm inat creates efficient and intuitive subway maps and have created maps for 40 cities across the world. Check them out if you are travelling and need a handy reference.
Click on the image if you want to see a higher resolution version – An easy reference guide incase you need to get somewhere from Gurgaon via the metro.
If you are looking for the official journey planner, you can check that on the Delhi Metro website here