Lord Hanuman idol in Kala Hanuman Temple will be in complete black color, not seen anywhere else. Also, usually any Lord Hanuman idol, the entire body will be in South direction and face will be in East direction. However, at Kala Hanuman Temple both the body and face of the idol are in south direction.
Opposite to Kala Hanuman Idol there is a Swayambhu Anantha Padmanabha Swamy temple. It is stated that the Lord Anantha PadmaNabha Swamy has been worshiping here since 1100 years.
Also, there are Lord Venkateswara and Mata Maha Lakshmi temples in the same compound.
A documentary on Kala Hanuman Temple Attapur has been telecasted in Zee Telugu channel on Apr 25, 2017.