The Chhatarpur Temple, formally known as Adya Katyayani temple, is the second largest temple complex in India, and is dedicated to Goddess, Katyayani.
It is located at Chhatarpur, on the southwestern outskirts of the city of Delhi and is just 4 km (2.5 miles) from Qutub Minar, off Mehrauli-Gurgaon road.
This temple is totally constructed from marble and on all the facets there is jaali.
A side shrine within the main temple houses a shrine of Goddess Katyayani (Durga), which opens only during the bi-annual Navratri season.
Address: Chhatarpur Temple
Mehrauli, New Delhi
Web : http://en.wikipedia.org/wiki/Chhatarpur_Temple