Allam Rajak Makakmayum raped the Mainipuri girl, with whom he had a year-long friendship, after making her unconscious in a lodge at Tura in Meghalaya in September 2012, police said, quoting the complainant.
Promising to marry her later, Allam left for Pune where he was a post-graduate student, they said.
The victim, a college student in Tura, returned home on a vacation in Thoubal district of Manipur and found her nude pictures in a social networking site on December 20 last year, they said.