At a time when finite shows and limited-episode series are gaining popularity among production houses and audience, Taarak Mehta Ka Ooltah Chashmah challenged the norm and has been running for 18 years. The show celebrated its anniversary on July 28. Over these 18 years, many actors parted ways and new members joined the show. Some exits were amicable, and a few turned controversial. As the show achieved a milestone, Sunayana Fozdar, Monaz Mevawala and Navina Wadekar spoke to Telly Talk India exclusively about the perceptions around their performances after replacing Neha Mehta, Jennifer Mistry and Monika Bhadoriya, respectively.