Houston : A decade after pleading guilty to killing his ex-lover in the US, a fugitive Indian-American medical billing specialist has started serving his 23-year prison term in a Texas jail after being extradited from India. Amit Livingston, 47, fled to India in 2007 after he pleaded guilty to killing his lover Hermila Hernandez. Hernandez was shot after she reportedly told Livingston she wanted to end their relationship, KGBT-TV reported. After announcing the sentence for 23 years in 2007, Judge Abel Limas had allowed Livingston 60 days to put his affairs in order before reporting to prison.When Livingston’s date for reporting to prison arrived, he disappeared. Livingston was arrested in India in 2014 and jailed in Hyderabad before being extradited to the US, under the terms of a 1997 India-US extradition treaty.