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On Saai and Shirin's wedding day, Shreyas and his friends fight with Saai's gang.
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Meenu later understands that Shreyas is deeply in love with Shirin. Saai fixes his marriage with Shirin against her wish. Shreyas accepts Meenu's proposal out of spite for Shirin (as she repeatedly turns down his advances) but is not sure about their future. They are children of an MLA from Kolhapur, who hates Shirin, his own daughter. Shirin is a student of Medical college and sister of Pritam. He finds himself attracted to Shirin, but Meenu ( Urmila Kanetkar) get attracted to Shreyas which creates a love triangle. A do-gooder standing tall for friendships in the face of a creepy Saai ( Jitendra Joshi), Shreyas becomes the voice of reason for the rustic gang. Under circumstances which are reminiscent of college life in the Hindi cinema of the 80s, Shreyas makes friends with DSP aka Digya ( Ankush Choudhary) and his Katta gang. He is thrown into college in Pune on his mother's insistence. Nothing is spelt out, but each character and its relevance in the plot is unveiled through the narrative that revolves around Shreyas Talwalkar ( Swapnil Joshi).
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The story traces itself back to presumably the late 1970s (seen through the bell-bottom pants on the gentlemen and the polka-dot dresses and ' Asha Parekh' salwar kameezes on the ladies). Duniyadari opens with grandma Shirin ( Sai Tamhankar) with a streak of grey accompanying grandpa Pritam (Sushant Shelar) to Pune, grandchildren in tow.
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