Though Mersal has been well received by the family audience and Thalapathy fans, a section of audience felt that the film's duration could have been cut short.
 

On that note, one random person on Twitter tagged the film's editor Ruben and said in a harsh tone, that the editing could have been more crispier in Mersal. Ruben replied to this tweet, by humbly stating that, "Thank u bro for the feedback!im still  learning the art of editing!Will try to improvise in my upcoming films!Let the Peace be with u"

*tweet is not spell-checked