Pyaar Ke Side Effects

Sid (Rahul Bose) plays a short, thirtyish DJ, who finds himself playing music at Trishas (Mallika Sherawats) marriage to Vivek (Jas Arora) in Delhi. However, he witnesses her fight her sense of responsibility and duty towards her parents and the groom, and runs away.Six months later, he meets her again at a DJ competition in Mumbai, which he has just lost, yet again. Before you know it, theyre in a relationship, and three years have passed. Trisha thinks she is ready for marriage, and gets down on her knee to propose to Sid.

Sid suffering from the typical commitment phobia, is at a loss for a reasonable answer. In a bid to not lose her, Sid finds himself engaged.But along with the engagement comes a new set of problems - such as shopping for furniture for their home, engagement rings, and more importantly facing the father of the bride! The father has more than one problem with Sid. He doesnt have a future, he earns a lot less than Trisha, and he doesnt seem responsible enough. Over an altercation Sid has with Trishas father, the couple break up.

Vivek is waiting in the wings, to help mend her broken heart. Sid on the other hand, finds himself being wooed by item girl, Tanya (Sophie Choudhary), star of the Baby Girl vol. 3 video.After a few amusing run-ins, an attempt to be just-friends, and a sad-song (Jaane Kya sung by Zubin), Sid, finally realizes, thanks to his mother, that his commitment phobia is the result of a childhood scar. His father abandoned Sid and his mother, when Sid was very young.

His mother reassures him, that he is nothing like his father, and would make a great husband. But its too late, Trisha has already agreed to marry Vivek. This leads him to Trishas dear friend Anjali (Suchitra Pillai), who reminds him of Dracula because she always attacks him, for making Trisha unhappy. She helps him crash Trishas wedding party.The climax builds up, as Sids job involves not just convincing Trisha that his hang-ups have abated, but also avoid a deadly confrontation with Trishas father.