An Indian-American was killed and another critically injured when a man opened fire in two convenience stores in the US state of Georgia. Parmjit Singh, a 44-year-old father of two high school students, was shot multiple times at the Hi Tech Quick Stop on Burnett Ferry Road, sheriff`s officers said. The Floyd County coroner pronounced him dead on the scene. Just 10 minutes after shooting Singh, the gunman entered another convenience store, Elm Street Food and Beverage, and stole money before shooting 30-year-old clerk Parthey Patel, sheriff`s officers said. Patel was in critical condition. The suspect, Lamar Rashad Nicholson, 28, was arrested on multiple charges, including murder, aggravated robbery, aggravated assault, possession of a firearm while committing a crime and use of a firearm by a convicted felon. He is being held without bond in the Floyd County jail.