how to Convert Html tag to Plain Text in c# MVC

Question

hi,

 

I Have this text

 

"<p>hi</p> <h3><strong>Hello How r u??</strong></h3> <h1><em><strong>MIPL Pune</strong></em></h1>"

 

I want to Convert this string as 

 

"

hi 

Hello

MIPL Pune 

 

"

 

that like please help me.