
In the early Vedic religion, Vritra ({IAST|Vṛtra} वृत्र `the enveloper`), is an Asura and also a serpent or dragon, the personification of drought and adversary of Indra. Vritra was also known in the Vedas as Ahi (`snake`). He appears as a dragon blocking the course of the rivers and is heroically slain by Indra. ==Vedic version== ...
Found on
http://en.wikipedia.org/wiki/Vritra

(from the article `Indra`) ...of the thunderbolt, and he is the great warrior who conquers the antigods (asuras). He also defeats innumerable human and superhuman enemies, most ... The myth of Indra killing the dragon Vritra has many levels of meaning. Vritra prevents the monsoon rains from breaking. The monsoon is the greatest ... [...
Found on
http://www.britannica.com/eb/a-z/v/37

In Hindu mythology, Vritra is the snake of darkness. Enemy of Indra.
Found on
http://www.probertencyclopaedia.com/browse/D7.HTM
No exact match found.