The EC has issued a notice to TDP chief Chandrababu Naidu for allegedly referring to Andhra Pradesh CM Jagan Mohan Reddy as a 'monster', 'animal' and 'thief' during his March 31 speech. The notice was issued based on a complaint filed by YSRCP leader Lella Appi Reddy. EC has directed Naidu to explain his stand within the next 48 hours.