Long ago in Thirteenth Century, a King by name Veerabhadra Chalukya (spouse of Rani Rudrama Devi) ruled a part of West Godavari District, his rule with Niravadyapuram, now known as Nidadavolu, as Capital. It was during his rule Nidadavolu was formed as Fort and waged several wars. It is believed that goddess Kotasattemma was protected the fort. Niravadyapuram was being popular and prominent during Kakateeya dynasty
Reddi dynasty succeeded and Kakateeyas lost its glory, Floods, Natural calamities sweeped away Ammavaru which was immersed in nature
In the year 1934, Timmarajupalem, Agaraharikas Sri Devulapalli Ramamurthy Sastry was plunging his lands Ammavaru was discovered by the hala (plunging weapon). Ammavaru manifested in his dream and asked him to construct a temple for her. Sri Sastry with the cooperation of agriculturists, prathisted Ammavaru raised terraced building surrounded by compound walls with the permission of Sastriji, the temple was administered by Yadavaas. Nidadavolu was developed by prominent Arya Vysyas. From then onwards Kota Sattemma assumed prominence as fulfiller of pure aspirations until now. Ammavaru bearing crunch, dice with Abhaya Hastas and wearing Yagnoveetha gives a pleasant appearance
Ammavaru weighing tones and 10 feet height as a beautiful appearance. It is significant that even muslims offers prayers, chidless couples are blessed with Children , Unmarried gets married by fulfilling the vows. On Sundays, Tuesdays people arrive in large numbers and have darshan of the goddess.
It is not only the people in the surrounding Villages but also people from various districts like Srikakulam, Vijayanagaram, East and West Godavari and Krishna, visit the temple for Ammavari darshan . There are occasions when people from other sates also visit the temple.
The Endowments Department took control of the temple in 1982. The net income at that time was Rs.2,64,061/-. It is now getting Rs.1,90,07,948/-.
There are Jewelleries comprising of 6 Kgs 985 grams 750 milli grams of Gold and 68 Kgs 857 grams 0.30 milli grams of Silver.
In an extent of Ac.3-80 cents, the temple Anivetti Mandapam, Prakaramandapam and 3 pillgrim staying buildings, 3 line sheds all put together 74 rooms and of shooping complex were built. It is thus catering the needs of visiting devotees. It is proposed to construct 10 rooms building and Rajagopuram.