Trust Karan Johar to make his film look perfect. The director has already worked on making his film set for My Name Is Khan look authentic.

He is now planning to shoot for a flood sequence on the sets and has ordered for liters of water in tankers for the scene. But the kind director that he is, he did not want the team to fall sick after shooting for the whole day in waist-deep water.

For that reason he got waterproof costumes made by designer Shiraj Siddiqui.

Karan is anxious, as this will be a difficult and intricate scene. The whole set will be under water for the next few days. This will be one of the most important parts of the film.

Karan is very worried about the unit's health so everyone except for Shahrukh and Kajol will be wearing waterproof costumes, as the lead actors have to be seen in their look for the film.