Yeh Un Dinon Ki Baat Hain is a Hindi drama series on Sony TV & produced by Shashi Sumeet Productions, which airs at 10:30 pm from 5 September 2017 replacing Pehredaar Piya Ki from the same production house. Newbie Ashi Singh and TV actor Randeep Rai will be seen playing the lead roles in the show. The show is based on their love story, which starts in the simple era of the 1990s and moves to modern times.The story chronicles the adolescent romance between Naina and Sameer and explores the magic of 'first love' set in the city of Ahmedabad in the year 1990. Naina, a quintessential good girl meets the flamboyant Sameer in her school in Ahmedabad. She starts liking him the moment she meets him. But, when she watches Sameer beat another boy, she has no option but to tell the truth to the principal of the school. This results in Sameer's suspension and his dislike towards Naina, followed by a series of misunderstandings. Eventually, Sameer plans to take revenge by making Naina fall in love with him but then ends up falling for her in the process.