jQuery validate plugin is not working in MVC form

Question

I have a MVC form like this

Answer 1

really my mistake !!! when i used inspect element, i found there is two jquery plugin which was being loaded and when i narrow down the cause it was me who was unknowingly loading another jquery plugin in the _ViewStart.cshtml page. thought to share this, so somebody else could save the day. Thank you @Shyju thanks for your help