The sequel to 2006 blockbuster hit ‘Pyaar Ke Side Effects’, starring Rahul Bose and Mallika Sherawat, has finally been announced.

The sequel titled ‘Shaadi Ke Side Effects’ stars Farhan Akhtar and Vidya Balan as Sid and Trisha. The story will be about how the relationship changes between the couple after the marriage.

Director Pritish Nandy confirmed the news and said that everyone except the main cast will return in the sequel.

“SKSE begins where PKSE ends. Except the lead pair, everyone including director Saket Choudhary and music director Pritam remain. SKSE is a funny, clever, wild film full of the fascinating ways love works before and after marriage. PKSE had four songs that became very popular, and the story had very strong connectivity with the audience, so we decided to make a sequel. Unfortunately, it a took a while in writing. Saket is a brilliant director but a slow writer,” said Pritish Nandy to a daily.

The movie brings together the usual and never before pairing of Vidya Balan and Farhan Akhtar.

“We make cinema that is big and also intelligent. Farhan is one of the most intelligent actors today. He and Vidya are two of the biggest stars of 2011. It will instantly make my film topical. Both of them loved the script immediately,” he added.

Actor Farhan Akhtar is excited about the movie because this is first time that he would be acting in a romcom.

“SKSE is a departure from my earlier work as an actor. It's a romantic comedy — a genre I haven't done yet — so it promises to be a new experience. Saket has written a funny yet moving story about simple things that everyone can relate to. Also, I look forward to working with Vidya,” he said.

Vidya Balan too is very excited about the project.

“I loved ‘Pyaar Ke Side Effects’ and ‘SKSE’ is the story of what happens to a man and a woman after they become husband and wife. It begins where every romcom ends. Saket's observation of relationships is simple and that makes it naturally and perhaps sometimes even unintentionally funny, mad and sexy. It's the first time that Farhan and I will be working together. He's so real that everything about our situation in SKSE would seem believable,” she said.

The movie is set to go on floors soon.