Los Angeles, April 9 -- Having pleaded guilty in the death of Hollywood actor Matthew Perry, 'Ketamine Queen', aka Jasveen Sangha, has been sentenced to 15 years in prison.

According to a Deadline report, Sangha appeared in the federal court on Wednesday (local time), where District Judge Sherilyn Peace Garnett gave her the 180-month sentence along with a three-year probation once she is out.

Hours before her sentence was announced, Sangha issued an apology and said, "There are no excuses for what I did. I am deeply sorry for the pain I caused, especially to Matthew's family. Their loss is unimaginable and permanent," as quoted by the New York Post.

She also took responsibility for her actions and added, "I take full responsibility for...