Putting banners on all the roads specially home town where they have been elected from. This is usually seen They ask their party workers to do it or party workers do it as a part of their responsibility!
Now what happens at their homes on birthdays .. some one will have sneak in and find out.
As OP mentioned that the expectation plays a vital role in success. These players have lot of expectations and that use to be one of the reasons for failure.
Also In case of Rohan and Anirudh they were no where near to their fathers in terms of talent.