Chirand: Chirand is a place in Saran district of bihar and has significant importance archaeological and historical study of bihar as well as India.  

• In Chapra-Sonpur road, Chirand Village is situated near Doriiganj has its unprecedented archaeological, historical and cultural heritage.  

• This region was dominated by Charo Dynasty hence it was named Chirand.  
• In 1871, Sir W. W Hunter brought light to the archaeological significance of this area.  

Daojali Hading: The excavation site at Daojali Hading (Assam) occupies an important place in the archaeological history of India as the first evidence of an Eastern Asiatic Neolithic complex of double-shouldered Celts and cord-marked pottery in India was reported from there.  

• The discovery had put Northeast India on the Neolithic map of the world for the first time. 
• However, the precise age of the artifacts were not known. 

Koldihwa: Belan Valley in Uttar Pradesh near Prayag in Uttar Pradesh is one site where evidences of Paleolithic, Mesolithic and Neolithic sites have been found in sequence.  

• The prehistoric sites of Belan valley include Mahgara, Chopani Mando, and Koldihwa.  
• Koldihwa in Belan valley has provided earliest evidence of rice cultivation. 

Source: The Hindu