Ayurvedic texts described anatomical perspective of Sira especially in context to Sharira Sthana. The structure, distribution, and functional relevance of Sira in the human body are all thoroughly explained by Ayurveda. The four main categories of Sira are Aruna, Sweta, Lohita, and Neela, each of which is connected to a different Dosha. Saran Kriya is the characteristic that allows blood to flow via these veins. Sira are further separated into Vedhya Sira and Avedhya Sira based on their vulnerability to puncturing during therapeutic operations. There are 602 Vedhya and 98 are Avedhya Sira in human body. In general veins and arteries that shouldn't be punctured during Raktamokshana therapy are referred to as Avedhya Sira. Puncturing Avedhya Sira is strictly forbidden due to the possibility of serious or even deadly repercussions, Vedhya Sira can be pierced therapeutically during treatments such as Raktamokshana. Before undergoing venesection Identification and knowledge about Avedhya Sira is very important to avoid complications such as severe bleeding, loss of sensation, deformity, or death. This article emphasizes clinical and anatomical relevance of Avedhya Sira in Ayurvedic practice.
Dr. Rakesh Kapoor2 Dr. Amardeep Singh1* (Mon,) studied this question.