Kuch Khattaa Ho Jaay.

Heer, a carefree and jovial guy is in love with Iraa, an aspiring IAS officer. Heer and Iraa's families are hell-bent on getting them married and start a family. To escape this familial pressure, Heer and Iraa decide to tie the knot as he promises her to support her aspirations. However, the chaos ensues when a misunderstanding leads both families to believe that the couple is expecting a child.