Parkash Zinak Nishad alias Kewat, a resident of Bhayander, a Mumbai suburb, was pronounced guilty by Thane Additional Sessions Judge S J Kale.
The Judge awarded death sentence to Nishad under IPC Section 302 (murder), holding the case as the "rarest of the rare" and also varying jail terms, including life sentence, for other offences related to the case like rape and causing disappearance of evidence.
Additional Public Prosecutor Sanjay Lodhe said the six -year-old victim and the convict, who is married, were neighbours.
The accused was arrested while he was planning to flee from the locality.
The prosecution examined 13 witnesses, including the parents of the girl. The court accepted the submissions made by the prosecution like medical and DNA reports and also relied on circumstantial and other evidence before arriving at the guilty verdict.