Bhavishya purana explicitly identifies them with zoroastrianism .
未来往世书明确地把他们鉴别为琐罗亚斯德教徒。
Among all the puranas , the bhagavata purana is the best known purna .
所有的往世书当中,博伽梵往世书是最好的往世书。
According to bhavishya purana and other texts they were invited to settle in punjab to conduct the worship of lord sun ( mitra or surya in sanskrit ) .