They are called the subsidiary Vedas. They are four in number one attached to each Veda<ref name=":5222" /><ref>[http://vedicheritage.gov.in/upaveda/ Introduction to Upavedas]</ref> viz. | They are called the subsidiary Vedas. They are four in number one attached to each Veda<ref name=":5222" /><ref>[http://vedicheritage.gov.in/upaveda/ Introduction to Upavedas]</ref> viz. |