Patan Devi also called Maa Patneshwari, is the oldest and one of the most sacred temples of Patna . It is regarded as one of the 51 Siddha Shakti Pithas in India . According to Puranic legends, the 'right thigh ' of the corpse of Sati had fallen here when it was chopped off by Lord Vishnu with his 'Sudarshan Chakra'. The ancient temple , originally called Maa Sarvanand Kari Patneshwari, is believed to be the abode of the goddess Durga.