Salman Khan's Sher Khan to be directed by brother Sohail is most likely to be in 3D format.

Apparently, one of the reasons for this decision is to be one up on Shah Rukh Khan's sci-fi project Ra.One.

Buzz is that it is all in the planning stage and the Khan brothers are not sure about going 3-D, but Sohail is keen to do it.

Really!