|Year|Show|Role|Notes|
|---|---|---|---|
|1998|Noorjahan|Noorjahan||
|2001–2002|Kutumb|Gauri Pratham Mittal||
|2003|Krishna Arjun|Shweta|Cameo|
|2003|Naam Gum Jayegaa|Priyanka Singh||
|2003|Kya Hadsaa Kya Haqeeqat|Mayuri / Gauri|Episode: Kab Kyun Kahan|
|2004–2008|Kyunki Saas Bhi Kabhi Bahu Thi|Nandini Karan Virani|Indian Telly Award for Best Actress in a Supporting Role (2005)|
|2005|Rihaae||Cameo|
|2005|Jassi Jaisi Koi Nahin|Herself|Cameo|
|2005|Special Squad|Dipika Ghosh||
|2006|Kaisa Ye Pyar Hai|Kannan||
|2008|Left Right Left|Capt.Shona Das||
|2009|Kumkum – Ek Pyara Sa Bandhan|Aditi|Cameo|

Question: how many different tv shows was gauri tejwani in before 2000?
Answer: 1