Conversation so far:
Who was cast for a role?
Shah Rukh was cast as the lead.
What was the lead character?
Om Shanti.
Are there any other interesting aspects about this article?
In preparation for her role, Padukone watched several films of actresses Helen and Hema Malini to study their body language.
What other work are they known for?
CANNOTANSWER.
Who was another person cast for a roll?
Rampal was approached by both Khan amd Shah Rukh at the latter's New Years Eve party.

Question: What was were they approached about?
Self-contained rewrite: What was Rampal approached about?