Services lifted the Santosh Trophy after edging out hosts Punjab 5-4 via tie-breaker in a nail-biting summit clash at Guru Nanak Stadium in Ludhiana on Sunday.
Anthony Kreiter-Rhoads of Tracy was arrested Saturday and charged with homicide in the death of Singh.
Parmjit Singh, a 44-year-old father of two high school students, was shot multiple times.
"Absolutely stunned. This is a very safe neighbourhood, very decent area of Tracy," neighbor Dave Roychowdhury said.
In a major crackdown against radical Sikhs and their organisations, Punjab police on Wednesday night detained several leaders and activists and banned three protest marches to be held on Thursday in support of Balwant Singh Rajoana, convict in the Beant Singh assassination case.
Amandeep Singh Dhami, 28, a fugitive wanted by Federal Bureau of Investigation in Sacramento, California for a shooting incident in 2008 was arrested in Jalandhar, said FBI spokesperson on Tuesday.
A 28-year-old Indian man, wanted by the Federal Bureau of Investigation in relation to a 2008 shooting of another Indian, will be extradited to the United States from India to face homicide charges.