Vidya Balan, Arshad Warsi and Naseeruddin Shah have been signed for ‘Ishkiyan’ which is being produced by Vishal Bhardwaj and directed by his assistant director Abhishek Chaubey. Apparently, the film has the same UP dialect as in Vishal’s earlier film ‘Omkara’. Now, for ‘Omkara’, Konkona had been tutored by Vishal to help her deliver her dialogues in UP dialect confidently, Konkona being a