Mohammad Redzuan Othman has no qualms ruffling feathers with his survey work despite facing criticism from politicians.

The latest criticism came from PKR vice-president Rafizi Ramli, who was sceptical of Redzuan's methodology in the survey he conducted on behalf of Institut Darul Ehsan (IDE) for PKR.

The findings of the survey were the basis on which PKR had decided to continue negotiations with PAS, believing that the latter will be an important electoral partner...