The "Quantico" star's father passed away on June 10, 2013 after a long battle with cancer at the age of 64.
Priyanka took to Instagram to post a series of photographs remembering him.
"Thinking of you always dad. #familytime #june10 #4years," she captioned a picture.
"Sing to me one more time. #daddyandI miss you dad," she wrote alongside another photo.
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