even saraswathichandra was at same time.
But we know who was doing it initailly.Sanjay leela bansali.
It showed intimation before marriage itself.I never watched it latter.
But I doubt those rules make effetc.
I mean what ever time telecast is.
Repeats will be whole day.either prime time or other.
So every thing has equal chances unless they go beyond limit.
it is just the story of the serial that helps either gain or loose trp,