However , this is an obvious fabrication .
This legend has been mentioned in the writings of Brahmagupta ( 7th century CE ) , Al - Biruni ( 973 - 1048 CE ) , and others .
This is an obvious fabrication .
This legend has been mentioned in the writings of Brahmagupta ( 7th century CE ) , Al - Biruni ( 973 - 1048 CE ) , and others .