Even though there are no rules for ensuring mandatory compliance, the Election Commission can time-and-again take a call on the matter, if and when, it deems appropriate.
Sharad Pawar advised Rahul Gandhi to avoid making ad hominem attacks against PM Modi, claiming that such attempts adversely impacts one's own credibility.
The NDTV report stated that Chidambaram has stated that though Rahul has sought his opinions on certain occasions in the past, he had not consulted him regarding his current videos and allegations against the PM.