1. Chhatarpur Temple, also known as Chhatarpur Mandir, is one of the largest Hindu temples in India. It was built in 1974 by Baba Sant Nagpal ji, a prominent spiritual leader and philanthropist.

The temple complex covers an area of 70 acres and comprises of several shrines dedicated to different deities including Lord Shiva, Lord Vishnu, Lord Ganesha, and Goddess Durga. The main shrine is dedicated to Goddess Katyayani, a form of Goddess Durga.

The temple also has a large hall that can accommodate up to 5,000 devotees for prayers and events. The complex is adorned with intricate carvings, paintings, and sculptures depicting various scenes from Hindu mythology.

2. The temple is open every day from 6:00 AM to 10:00 PM. The phone number for the temple is +91-11-2680 2426.

3. There is no entrance fee to visit the temple. However, donations are accepted. The temple is located in Chhatarpur, a suburban area of South Delhi. The easiest way to reach the temple is by taxi or private car. The nearest metro station is Chattarpur Metro Station, which is located on the Yellow Line of the Delhi Metro. From the metro station, the temple is about 2 kilometers away, and you can hire an auto-rickshaw or take a taxi to reach the temple.