The 33-year-old actress took to social media to post pictures from the event, during which she wore a red gown.
"Thank you to everyone who made the TCAs such a delight for nervous me. Thank you all your support. Now after no sleep for days I will relish my bed," Priyanka posted on twitter.
Before going for the meet, the "Mary Kom" star took to twitter to share her excitement about the TCA gathering.
"Quantico" is a story about a diverse group of recruits have arrived at the FBI Quantico Base for training. In the ABC thriller series, Priyanka plays the lead role of Alex Parish, an agent whose past resurfaces soon after she arrives at the training camp.
"I feel like my days and nights are blurring. More familiar with the inside of a plane than anything else.. Body and mind in Zombie mode #nonstop #LA," the actress said about the hectic shooting schedule.